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Finding the Fourth Proportional to 62,394.60, 93,582 and 20,275.68

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Solution

The fourth proportional to 62,394.60, 93,582 and 20,275.68 is: 30,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,394.60 : 93,582 = 20,275.68 : x
  2. Step 2: Convert to fraction form
    62,394.60/93,582 = 20,275.68/x
  3. Step 3: Cross multiply
    62,394.60x = 93,582 × 20,275.68
  4. Step 4: Simplify right side
    62,394.60x = 1,897,438,685.76
  5. Step 5: Solve for x
    x = 1,897,438,685.76/62,394.60
  6. Step 6: Final answer
    x = 30,410.30

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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.