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Finding the Fourth Proportional to 66,292.77, 91,488.11 and 38,002.71

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Solution

The fourth proportional to 66,292.77, 91,488.11 and 38,002.71 is: 52,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,292.77 : 91,488.11 = 38,002.71 : x
  2. Step 2: Convert to fraction form
    66,292.77/91,488.11 = 38,002.71/x
  3. Step 3: Cross multiply
    66,292.77x = 91,488.11 × 38,002.71
  4. Step 4: Simplify right side
    66,292.77x = 3,476,795,922.76
  5. Step 5: Solve for x
    x = 3,476,795,922.76/66,292.77
  6. Step 6: Final answer
    x = 52,446.08

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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.