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Finding the Fourth Proportional to 66,543.66, 99,757.17 and 24,980.94

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Solution

The fourth proportional to 66,543.66, 99,757.17 and 24,980.94 is: 37,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,543.66 : 99,757.17 = 24,980.94 : x
  2. Step 2: Convert to fraction form
    66,543.66/99,757.17 = 24,980.94/x
  3. Step 3: Cross multiply
    66,543.66x = 99,757.17 × 24,980.94
  4. Step 4: Simplify right side
    66,543.66x = 2,492,027,878.34
  5. Step 5: Solve for x
    x = 2,492,027,878.34/66,543.66
  6. Step 6: Final answer
    x = 37,449.52

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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.