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Finding the Fourth Proportional to 7,935.64, 10,951.02 and 4,398.82

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Solution

The fourth proportional to 7,935.64, 10,951.02 and 4,398.82 is: 6,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.64 : 10,951.02 = 4,398.82 : x
  2. Step 2: Convert to fraction form
    7,935.64/10,951.02 = 4,398.82/x
  3. Step 3: Cross multiply
    7,935.64x = 10,951.02 × 4,398.82
  4. Step 4: Simplify right side
    7,935.64x = 48,171,565.80
  5. Step 5: Solve for x
    x = 48,171,565.80/7,935.64
  6. Step 6: Final answer
    x = 6,070.28

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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.