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Finding the Fourth Proportional to 62,473.60, 93,710.40 and 56,447.20

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Solution

The fourth proportional to 62,473.60, 93,710.40 and 56,447.20 is: 84,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,473.60 : 93,710.40 = 56,447.20 : x
  2. Step 2: Convert to fraction form
    62,473.60/93,710.40 = 56,447.20/x
  3. Step 3: Cross multiply
    62,473.60x = 93,710.40 × 56,447.20
  4. Step 4: Simplify right side
    62,473.60x = 5,289,689,690.88
  5. Step 5: Solve for x
    x = 5,289,689,690.88/62,473.60
  6. Step 6: Final answer
    x = 84,670.80

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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.