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Finding the Fourth Proportional to 54,753.90, 82,130.98 and 15,310.95

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Solution

The fourth proportional to 54,753.90, 82,130.98 and 15,310.95 is: 22,966.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.90 : 82,130.98 = 15,310.95 : x
  2. Step 2: Convert to fraction form
    54,753.90/82,130.98 = 15,310.95/x
  3. Step 3: Cross multiply
    54,753.90x = 82,130.98 × 15,310.95
  4. Step 4: Simplify right side
    54,753.90x = 1,257,503,328.23
  5. Step 5: Solve for x
    x = 1,257,503,328.23/54,753.90
  6. Step 6: Final answer
    x = 22,966.46

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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.