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Finding the Fourth Proportional to 15,011.53, 22,509.85 and 8,773.11

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Solution

The fourth proportional to 15,011.53, 22,509.85 and 8,773.11 is: 13,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.53 : 22,509.85 = 8,773.11 : x
  2. Step 2: Convert to fraction form
    15,011.53/22,509.85 = 8,773.11/x
  3. Step 3: Cross multiply
    15,011.53x = 22,509.85 × 8,773.11
  4. Step 4: Simplify right side
    15,011.53x = 197,481,384.65
  5. Step 5: Solve for x
    x = 197,481,384.65/15,011.53
  6. Step 6: Final answer
    x = 13,155.32

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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.