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Finding the Fourth Proportional to 59,902.60, 89,853.90 and 38,907.40

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Solution

The fourth proportional to 59,902.60, 89,853.90 and 38,907.40 is: 58,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,902.60 : 89,853.90 = 38,907.40 : x
  2. Step 2: Convert to fraction form
    59,902.60/89,853.90 = 38,907.40/x
  3. Step 3: Cross multiply
    59,902.60x = 89,853.90 × 38,907.40
  4. Step 4: Simplify right side
    59,902.60x = 3,495,981,628.86
  5. Step 5: Solve for x
    x = 3,495,981,628.86/59,902.60
  6. Step 6: Final answer
    x = 58,361.10

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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.