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Finding the Fourth Proportional to 18,337.36, 25,304.88 and 9,953.68

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Solution

The fourth proportional to 18,337.36, 25,304.88 and 9,953.68 is: 13,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.36 : 25,304.88 = 9,953.68 : x
  2. Step 2: Convert to fraction form
    18,337.36/25,304.88 = 9,953.68/x
  3. Step 3: Cross multiply
    18,337.36x = 25,304.88 × 9,953.68
  4. Step 4: Simplify right side
    18,337.36x = 251,876,677.96
  5. Step 5: Solve for x
    x = 251,876,677.96/18,337.36
  6. Step 6: Final answer
    x = 13,735.71

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.