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Finding the Fourth Proportional to 62,554.60, 93,808.14 and 20,424.68

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Solution

The fourth proportional to 62,554.60, 93,808.14 and 20,424.68 is: 30,629.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,554.60 : 93,808.14 = 20,424.68 : x
  2. Step 2: Convert to fraction form
    62,554.60/93,808.14 = 20,424.68/x
  3. Step 3: Cross multiply
    62,554.60x = 93,808.14 × 20,424.68
  4. Step 4: Simplify right side
    62,554.60x = 1,916,001,240.90
  5. Step 5: Solve for x
    x = 1,916,001,240.90/62,554.60
  6. Step 6: Final answer
    x = 30,629.26

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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.