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Finding the Fourth Proportional to 18,281.71, 27,423.54 and 5,802.73

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Solution

The fourth proportional to 18,281.71, 27,423.54 and 5,802.73 is: 8,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.71 : 27,423.54 = 5,802.73 : x
  2. Step 2: Convert to fraction form
    18,281.71/27,423.54 = 5,802.73/x
  3. Step 3: Cross multiply
    18,281.71x = 27,423.54 × 5,802.73
  4. Step 4: Simplify right side
    18,281.71x = 159,131,398.26
  5. Step 5: Solve for x
    x = 159,131,398.26/18,281.71
  6. Step 6: Final answer
    x = 8,704.40

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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.