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Finding the Fourth Proportional to 66,098.44, 99,126.64 and 21,714.92

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Solution

The fourth proportional to 66,098.44, 99,126.64 and 21,714.92 is: 32,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,098.44 : 99,126.64 = 21,714.92 : x
  2. Step 2: Convert to fraction form
    66,098.44/99,126.64 = 21,714.92/x
  3. Step 3: Cross multiply
    66,098.44x = 99,126.64 × 21,714.92
  4. Step 4: Simplify right side
    66,098.44x = 2,152,527,057.47
  5. Step 5: Solve for x
    x = 2,152,527,057.47/66,098.44
  6. Step 6: Final answer
    x = 32,565.47

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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.