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Finding the Fourth Proportional to 18,334.40, 25,301.50 and 9,950.92

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Solution

The fourth proportional to 18,334.40, 25,301.50 and 9,950.92 is: 13,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.40 : 25,301.50 = 9,950.92 : x
  2. Step 2: Convert to fraction form
    18,334.40/25,301.50 = 9,950.92/x
  3. Step 3: Cross multiply
    18,334.40x = 25,301.50 × 9,950.92
  4. Step 4: Simplify right side
    18,334.40x = 251,773,202.38
  5. Step 5: Solve for x
    x = 251,773,202.38/18,334.40
  6. Step 6: Final answer
    x = 13,732.28

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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.