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Finding the Fourth Proportional to 44,570.82, 66,810.14 and 14,978.70

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Solution

The fourth proportional to 44,570.82, 66,810.14 and 14,978.70 is: 22,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,570.82 : 66,810.14 = 14,978.70 : x
  2. Step 2: Convert to fraction form
    44,570.82/66,810.14 = 14,978.70/x
  3. Step 3: Cross multiply
    44,570.82x = 66,810.14 × 14,978.70
  4. Step 4: Simplify right side
    44,570.82x = 1,000,729,044.02
  5. Step 5: Solve for x
    x = 1,000,729,044.02/44,570.82
  6. Step 6: Final answer
    x = 22,452.56

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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.