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Finding the Fourth Proportional to 40,565.60, 60,848.40 and 39,010.40

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Solution

The fourth proportional to 40,565.60, 60,848.40 and 39,010.40 is: 58,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,565.60 : 60,848.40 = 39,010.40 : x
  2. Step 2: Convert to fraction form
    40,565.60/60,848.40 = 39,010.40/x
  3. Step 3: Cross multiply
    40,565.60x = 60,848.40 × 39,010.40
  4. Step 4: Simplify right side
    40,565.60x = 2,373,720,423.36
  5. Step 5: Solve for x
    x = 2,373,720,423.36/40,565.60
  6. Step 6: Final answer
    x = 58,515.60

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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.