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Finding the Fourth Proportional to 66,473.62, 91,733.68 and 38,184.78

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Solution

The fourth proportional to 66,473.62, 91,733.68 and 38,184.78 is: 52,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,473.62 : 91,733.68 = 38,184.78 : x
  2. Step 2: Convert to fraction form
    66,473.62/91,733.68 = 38,184.78/x
  3. Step 3: Cross multiply
    66,473.62x = 91,733.68 × 38,184.78
  4. Step 4: Simplify right side
    66,473.62x = 3,502,830,389.39
  5. Step 5: Solve for x
    x = 3,502,830,389.39/66,473.62
  6. Step 6: Final answer
    x = 52,695.04

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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.