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Finding the Fourth Proportional to 13,034.59, 17,983.02 and 8,560.77

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Solution

The fourth proportional to 13,034.59, 17,983.02 and 8,560.77 is: 11,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.59 : 17,983.02 = 8,560.77 : x
  2. Step 2: Convert to fraction form
    13,034.59/17,983.02 = 8,560.77/x
  3. Step 3: Cross multiply
    13,034.59x = 17,983.02 × 8,560.77
  4. Step 4: Simplify right side
    13,034.59x = 153,948,498.13
  5. Step 5: Solve for x
    x = 153,948,498.13/13,034.59
  6. Step 6: Final answer
    x = 11,810.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.