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Finding the Fourth Proportional to 62,107.71, 93,148.48 and 19,991.55

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Solution

The fourth proportional to 62,107.71, 93,148.48 and 19,991.55 is: 29,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,107.71 : 93,148.48 = 19,991.55 : x
  2. Step 2: Convert to fraction form
    62,107.71/93,148.48 = 19,991.55/x
  3. Step 3: Cross multiply
    62,107.71x = 93,148.48 × 19,991.55
  4. Step 4: Simplify right side
    62,107.71x = 1,862,182,495.34
  5. Step 5: Solve for x
    x = 1,862,182,495.34/62,107.71
  6. Step 6: Final answer
    x = 29,983.11

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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.