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Finding the Fourth Proportional to 59,851.40, 89,906.70 and 57,648.20

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Solution

The fourth proportional to 59,851.40, 89,906.70 and 57,648.20 is: 86,597.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,851.40 : 89,906.70 = 57,648.20 : x
  2. Step 2: Convert to fraction form
    59,851.40/89,906.70 = 57,648.20/x
  3. Step 3: Cross multiply
    59,851.40x = 89,906.70 × 57,648.20
  4. Step 4: Simplify right side
    59,851.40x = 5,182,959,422.94
  5. Step 5: Solve for x
    x = 5,182,959,422.94/59,851.40
  6. Step 6: Final answer
    x = 86,597.13

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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.