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Finding the Fourth Proportional to 66,279.87, 99,347.49 and 32,569.08

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Solution

The fourth proportional to 66,279.87, 99,347.49 and 32,569.08 is: 48,818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,279.87 : 99,347.49 = 32,569.08 : x
  2. Step 2: Convert to fraction form
    66,279.87/99,347.49 = 32,569.08/x
  3. Step 3: Cross multiply
    66,279.87x = 99,347.49 × 32,569.08
  4. Step 4: Simplify right side
    66,279.87x = 3,235,656,349.61
  5. Step 5: Solve for x
    x = 3,235,656,349.61/66,279.87
  6. Step 6: Final answer
    x = 48,818.09

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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.