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Finding the Fourth Proportional to 59,985.60, 89,906.40 and 24,907.20

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Solution

The fourth proportional to 59,985.60, 89,906.40 and 24,907.20 is: 37,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,985.60 : 89,906.40 = 24,907.20 : x
  2. Step 2: Convert to fraction form
    59,985.60/89,906.40 = 24,907.20/x
  3. Step 3: Cross multiply
    59,985.60x = 89,906.40 × 24,907.20
  4. Step 4: Simplify right side
    59,985.60x = 2,239,316,686.08
  5. Step 5: Solve for x
    x = 2,239,316,686.08/59,985.60
  6. Step 6: Final answer
    x = 37,330.90

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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.