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Finding the Fourth Proportional to 15,011.17, 22,485.61 and 8,752.20

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Solution

The fourth proportional to 15,011.17, 22,485.61 and 8,752.20 is: 13,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.17 : 22,485.61 = 8,752.20 : x
  2. Step 2: Convert to fraction form
    15,011.17/22,485.61 = 8,752.20/x
  3. Step 3: Cross multiply
    15,011.17x = 22,485.61 × 8,752.20
  4. Step 4: Simplify right side
    15,011.17x = 196,798,584.33
  5. Step 5: Solve for x
    x = 196,798,584.33/15,011.17
  6. Step 6: Final answer
    x = 13,110.14

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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.