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Finding the Fourth Proportional to 15,282.18, 22,914.63 and 9,043.02

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Solution

The fourth proportional to 15,282.18, 22,914.63 and 9,043.02 is: 13,559.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.18 : 22,914.63 = 9,043.02 : x
  2. Step 2: Convert to fraction form
    15,282.18/22,914.63 = 9,043.02/x
  3. Step 3: Cross multiply
    15,282.18x = 22,914.63 × 9,043.02
  4. Step 4: Simplify right side
    15,282.18x = 207,217,457.38
  5. Step 5: Solve for x
    x = 207,217,457.38/15,282.18
  6. Step 6: Final answer
    x = 13,559.42

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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.