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Finding the Fourth Proportional to 66,447.97, 99,642.70 and 24,317.10

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Solution

The fourth proportional to 66,447.97, 99,642.70 and 24,317.10 is: 36,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,447.97 : 99,642.70 = 24,317.10 : x
  2. Step 2: Convert to fraction form
    66,447.97/99,642.70 = 24,317.10/x
  3. Step 3: Cross multiply
    66,447.97x = 99,642.70 × 24,317.10
  4. Step 4: Simplify right side
    66,447.97x = 2,423,021,530.57
  5. Step 5: Solve for x
    x = 2,423,021,530.57/66,447.97
  6. Step 6: Final answer
    x = 36,464.95

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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.