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Finding the Fourth Proportional to 59,978.16, 90,007.44 and 24,917.76

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Solution

The fourth proportional to 59,978.16, 90,007.44 and 24,917.76 is: 37,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,978.16 : 90,007.44 = 24,917.76 : x
  2. Step 2: Convert to fraction form
    59,978.16/90,007.44 = 24,917.76/x
  3. Step 3: Cross multiply
    59,978.16x = 90,007.44 × 24,917.76
  4. Step 4: Simplify right side
    59,978.16x = 2,242,783,788.13
  5. Step 5: Solve for x
    x = 2,242,783,788.13/59,978.16
  6. Step 6: Final answer
    x = 37,393.34

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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.