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Finding the Fourth Proportional to 77,897.66, 116,799.80 and 35,724.92

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Solution

The fourth proportional to 77,897.66, 116,799.80 and 35,724.92 is: 53,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,897.66 : 116,799.80 = 35,724.92 : x
  2. Step 2: Convert to fraction form
    77,897.66/116,799.80 = 35,724.92/x
  3. Step 3: Cross multiply
    77,897.66x = 116,799.80 × 35,724.92
  4. Step 4: Simplify right side
    77,897.66x = 4,172,663,332.39
  5. Step 5: Solve for x
    x = 4,172,663,332.39/77,897.66
  6. Step 6: Final answer
    x = 53,565.97

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1.5x scale

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.