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Finding the Fourth Proportional to 10,593.72, 15,829.68 and 8,081.10

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Solution

The fourth proportional to 10,593.72, 15,829.68 and 8,081.10 is: 12,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,593.72 : 15,829.68 = 8,081.10 : x
  2. Step 2: Convert to fraction form
    10,593.72/15,829.68 = 8,081.10/x
  3. Step 3: Cross multiply
    10,593.72x = 15,829.68 × 8,081.10
  4. Step 4: Simplify right side
    10,593.72x = 127,921,227.05
  5. Step 5: Solve for x
    x = 127,921,227.05/10,593.72
  6. Step 6: Final answer
    x = 12,075.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.