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Finding the Fourth Proportional to 25,793.42, 38,690.18 and 7,073.63

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Solution

The fourth proportional to 25,793.42, 38,690.18 and 7,073.63 is: 10,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,793.42 : 38,690.18 = 7,073.63 : x
  2. Step 2: Convert to fraction form
    25,793.42/38,690.18 = 7,073.63/x
  3. Step 3: Cross multiply
    25,793.42x = 38,690.18 × 7,073.63
  4. Step 4: Simplify right side
    25,793.42x = 273,679,789.13
  5. Step 5: Solve for x
    x = 273,679,789.13/25,793.42
  6. Step 6: Final answer
    x = 10,610.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.