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Finding the Fourth Proportional to 15,104.65, 22,637.84 and 8,534.54

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Solution

The fourth proportional to 15,104.65, 22,637.84 and 8,534.54 is: 12,790.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.65 : 22,637.84 = 8,534.54 : x
  2. Step 2: Convert to fraction form
    15,104.65/22,637.84 = 8,534.54/x
  3. Step 3: Cross multiply
    15,104.65x = 22,637.84 × 8,534.54
  4. Step 4: Simplify right side
    15,104.65x = 193,203,395.13
  5. Step 5: Solve for x
    x = 193,203,395.13/15,104.65
  6. Step 6: Final answer
    x = 12,790.99

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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.