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Finding the Fourth Proportional to 66,480.02, 99,719.84 and 24,363.26

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Solution

The fourth proportional to 66,480.02, 99,719.84 and 24,363.26 is: 36,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480.02 : 99,719.84 = 24,363.26 : x
  2. Step 2: Convert to fraction form
    66,480.02/99,719.84 = 24,363.26/x
  3. Step 3: Cross multiply
    66,480.02x = 99,719.84 × 24,363.26
  4. Step 4: Simplify right side
    66,480.02x = 2,429,500,389.08
  5. Step 5: Solve for x
    x = 2,429,500,389.08/66,480.02
  6. Step 6: Final answer
    x = 36,544.82

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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.