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Finding the Fourth Proportional to 6,653.18, 9,931.03 and 5,864.92

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Solution

The fourth proportional to 6,653.18, 9,931.03 and 5,864.92 is: 8,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.18 : 9,931.03 = 5,864.92 : x
  2. Step 2: Convert to fraction form
    6,653.18/9,931.03 = 5,864.92/x
  3. Step 3: Cross multiply
    6,653.18x = 9,931.03 × 5,864.92
  4. Step 4: Simplify right side
    6,653.18x = 58,244,687.44
  5. Step 5: Solve for x
    x = 58,244,687.44/6,653.18
  6. Step 6: Final answer
    x = 8,754.42

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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.