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Finding the Fourth Proportional to 6,342.16, 8,760.55 and 4,868.29

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Solution

The fourth proportional to 6,342.16, 8,760.55 and 4,868.29 is: 6,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.16 : 8,760.55 = 4,868.29 : x
  2. Step 2: Convert to fraction form
    6,342.16/8,760.55 = 4,868.29/x
  3. Step 3: Cross multiply
    6,342.16x = 8,760.55 × 4,868.29
  4. Step 4: Simplify right side
    6,342.16x = 42,648,885.79
  5. Step 5: Solve for x
    x = 42,648,885.79/6,342.16
  6. Step 6: Final answer
    x = 6,724.66

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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.