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Finding the Fourth Proportional to 55,866.60, 77,087.86 and 32,882.74

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Solution

The fourth proportional to 55,866.60, 77,087.86 and 32,882.74 is: 45,373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,866.60 : 77,087.86 = 32,882.74 : x
  2. Step 2: Convert to fraction form
    55,866.60/77,087.86 = 32,882.74/x
  3. Step 3: Cross multiply
    55,866.60x = 77,087.86 × 32,882.74
  4. Step 4: Simplify right side
    55,866.60x = 2,534,859,782.61
  5. Step 5: Solve for x
    x = 2,534,859,782.61/55,866.60
  6. Step 6: Final answer
    x = 45,373.44

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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.