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Finding the Fourth Proportional to 66,092.76, 99,175.50 and 28,653.12

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Solution

The fourth proportional to 66,092.76, 99,175.50 and 28,653.12 is: 42,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,092.76 : 99,175.50 = 28,653.12 : x
  2. Step 2: Convert to fraction form
    66,092.76/99,175.50 = 28,653.12/x
  3. Step 3: Cross multiply
    66,092.76x = 99,175.50 × 28,653.12
  4. Step 4: Simplify right side
    66,092.76x = 2,841,687,502.56
  5. Step 5: Solve for x
    x = 2,841,687,502.56/66,092.76
  6. Step 6: Final answer
    x = 42,995.44

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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.