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Finding the Fourth Proportional to 77,510.52, 107,002.44 and 52,007.76

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Solution

The fourth proportional to 77,510.52, 107,002.44 and 52,007.76 is: 71,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,510.52 : 107,002.44 = 52,007.76 : x
  2. Step 2: Convert to fraction form
    77,510.52/107,002.44 = 52,007.76/x
  3. Step 3: Cross multiply
    77,510.52x = 107,002.44 × 52,007.76
  4. Step 4: Simplify right side
    77,510.52x = 5,564,957,218.93
  5. Step 5: Solve for x
    x = 5,564,957,218.93/77,510.52
  6. Step 6: Final answer
    x = 71,796.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.