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Finding the Fourth Proportional to 6,330.38, 8,740.04 and 5,666.08

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Solution

The fourth proportional to 6,330.38, 8,740.04 and 5,666.08 is: 7,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.38 : 8,740.04 = 5,666.08 : x
  2. Step 2: Convert to fraction form
    6,330.38/8,740.04 = 5,666.08/x
  3. Step 3: Cross multiply
    6,330.38x = 8,740.04 × 5,666.08
  4. Step 4: Simplify right side
    6,330.38x = 49,521,765.84
  5. Step 5: Solve for x
    x = 49,521,765.84/6,330.38
  6. Step 6: Final answer
    x = 7,822.87

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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.