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Finding the Fourth Proportional to 6,761.82, 9,320.16 and 4,522.89

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Solution

The fourth proportional to 6,761.82, 9,320.16 and 4,522.89 is: 6,234.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.82 : 9,320.16 = 4,522.89 : x
  2. Step 2: Convert to fraction form
    6,761.82/9,320.16 = 4,522.89/x
  3. Step 3: Cross multiply
    6,761.82x = 9,320.16 × 4,522.89
  4. Step 4: Simplify right side
    6,761.82x = 42,154,058.46
  5. Step 5: Solve for x
    x = 42,154,058.46/6,761.82
  6. Step 6: Final answer
    x = 6,234.13

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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.