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Finding the Fourth Proportional to 58,352.88, 80,541.72 and 40,001.52

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Solution

The fourth proportional to 58,352.88, 80,541.72 and 40,001.52 is: 55,212.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,352.88 : 80,541.72 = 40,001.52 : x
  2. Step 2: Convert to fraction form
    58,352.88/80,541.72 = 40,001.52/x
  3. Step 3: Cross multiply
    58,352.88x = 80,541.72 × 40,001.52
  4. Step 4: Simplify right side
    58,352.88x = 3,221,791,223.41
  5. Step 5: Solve for x
    x = 3,221,791,223.41/58,352.88
  6. Step 6: Final answer
    x = 55,212.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.