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Finding the Fourth Proportional to 64,041.98, 96,060.92 and 28,981.64

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Solution

The fourth proportional to 64,041.98, 96,060.92 and 28,981.64 is: 43,471.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,041.98 : 96,060.92 = 28,981.64 : x
  2. Step 2: Convert to fraction form
    64,041.98/96,060.92 = 28,981.64/x
  3. Step 3: Cross multiply
    64,041.98x = 96,060.92 × 28,981.64
  4. Step 4: Simplify right side
    64,041.98x = 2,784,002,521.20
  5. Step 5: Solve for x
    x = 2,784,002,521.20/64,041.98
  6. Step 6: Final answer
    x = 43,471.52

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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.