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Finding the Fourth Proportional to 66,552.47, 99,801.16 and 27,082.79

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Solution

The fourth proportional to 66,552.47, 99,801.16 and 27,082.79 is: 40,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552.47 : 99,801.16 = 27,082.79 : x
  2. Step 2: Convert to fraction form
    66,552.47/99,801.16 = 27,082.79/x
  3. Step 3: Cross multiply
    66,552.47x = 99,801.16 × 27,082.79
  4. Step 4: Simplify right side
    66,552.47x = 2,702,893,858.04
  5. Step 5: Solve for x
    x = 2,702,893,858.04/66,552.47
  6. Step 6: Final answer
    x = 40,612.98

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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.