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Finding the Fourth Proportional to 54,452.72, 81,713.64 and 29,509.76

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Solution

The fourth proportional to 54,452.72, 81,713.64 and 29,509.76 is: 44,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,452.72 : 81,713.64 = 29,509.76 : x
  2. Step 2: Convert to fraction form
    54,452.72/81,713.64 = 29,509.76/x
  3. Step 3: Cross multiply
    54,452.72x = 81,713.64 × 29,509.76
  4. Step 4: Simplify right side
    54,452.72x = 2,411,349,905.13
  5. Step 5: Solve for x
    x = 2,411,349,905.13/54,452.72
  6. Step 6: Final answer
    x = 44,283.37

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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.