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Finding the Fourth Proportional to 8,732.39, 13,098.59 and 2,889.00

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Solution

The fourth proportional to 8,732.39, 13,098.59 and 2,889.00 is: 4,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.39 : 13,098.59 = 2,889.00 : x
  2. Step 2: Convert to fraction form
    8,732.39/13,098.59 = 2,889.00/x
  3. Step 3: Cross multiply
    8,732.39x = 13,098.59 × 2,889.00
  4. Step 4: Simplify right side
    8,732.39x = 37,841,858.29
  5. Step 5: Solve for x
    x = 37,841,858.29/8,732.39
  6. Step 6: Final answer
    x = 4,333.50

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Half scale
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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.