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Finding the Fourth Proportional to 59,578.80, 82,220.76 and 34,089.36

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Solution

The fourth proportional to 59,578.80, 82,220.76 and 34,089.36 is: 47,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,578.80 : 82,220.76 = 34,089.36 : x
  2. Step 2: Convert to fraction form
    59,578.80/82,220.76 = 34,089.36/x
  3. Step 3: Cross multiply
    59,578.80x = 82,220.76 × 34,089.36
  4. Step 4: Simplify right side
    59,578.80x = 2,802,853,087.11
  5. Step 5: Solve for x
    x = 2,802,853,087.11/59,578.80
  6. Step 6: Final answer
    x = 47,044.47

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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.