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Finding the Fourth Proportional to 8,775.17, 13,049.90 and 8,498.32

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Solution

The fourth proportional to 8,775.17, 13,049.90 and 8,498.32 is: 12,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.17 : 13,049.90 = 8,498.32 : x
  2. Step 2: Convert to fraction form
    8,775.17/13,049.90 = 8,498.32/x
  3. Step 3: Cross multiply
    8,775.17x = 13,049.90 × 8,498.32
  4. Step 4: Simplify right side
    8,775.17x = 110,902,226.17
  5. Step 5: Solve for x
    x = 110,902,226.17/8,775.17
  6. Step 6: Final answer
    x = 12,638.19

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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.