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Finding the Fourth Proportional to 38,599.61, 57,891.31 and 10,891.13

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Solution

The fourth proportional to 38,599.61, 57,891.31 and 10,891.13 is: 16,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,599.61 : 57,891.31 = 10,891.13 : x
  2. Step 2: Convert to fraction form
    38,599.61/57,891.31 = 10,891.13/x
  3. Step 3: Cross multiply
    38,599.61x = 57,891.31 × 10,891.13
  4. Step 4: Simplify right side
    38,599.61x = 630,501,466.40
  5. Step 5: Solve for x
    x = 630,501,466.40/38,599.61
  6. Step 6: Final answer
    x = 16,334.40

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Similar ratio
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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.