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Finding the Fourth Proportional to 18,281.18, 27,416.09 and 6,592.88

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Solution

The fourth proportional to 18,281.18, 27,416.09 and 6,592.88 is: 9,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.18 : 27,416.09 = 6,592.88 : x
  2. Step 2: Convert to fraction form
    18,281.18/27,416.09 = 6,592.88/x
  3. Step 3: Cross multiply
    18,281.18x = 27,416.09 × 6,592.88
  4. Step 4: Simplify right side
    18,281.18x = 180,750,854.36
  5. Step 5: Solve for x
    x = 180,750,854.36/18,281.18
  6. Step 6: Final answer
    x = 9,887.27

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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.