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Finding the Fourth Proportional to 66,218.70, 99,296.84 and 24,069.12

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Solution

The fourth proportional to 66,218.70, 99,296.84 and 24,069.12 is: 36,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,218.70 : 99,296.84 = 24,069.12 : x
  2. Step 2: Convert to fraction form
    66,218.70/99,296.84 = 24,069.12/x
  3. Step 3: Cross multiply
    66,218.70x = 99,296.84 × 24,069.12
  4. Step 4: Simplify right side
    66,218.70x = 2,389,987,557.58
  5. Step 5: Solve for x
    x = 2,389,987,557.58/66,218.70
  6. Step 6: Final answer
    x = 36,092.34

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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.