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Finding the Fourth Proportional to 62,805.84, 93,829.08 and 40,436.88

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Solution

The fourth proportional to 62,805.84, 93,829.08 and 40,436.88 is: 60,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,805.84 : 93,829.08 = 40,436.88 : x
  2. Step 2: Convert to fraction form
    62,805.84/93,829.08 = 40,436.88/x
  3. Step 3: Cross multiply
    62,805.84x = 93,829.08 × 40,436.88
  4. Step 4: Simplify right side
    62,805.84x = 3,794,155,248.47
  5. Step 5: Solve for x
    x = 3,794,155,248.47/62,805.84
  6. Step 6: Final answer
    x = 60,410.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.