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Finding the Fourth Proportional to 8,292.66, 11,442.96 and 4,935.02

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Solution

The fourth proportional to 8,292.66, 11,442.96 and 4,935.02 is: 6,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.66 : 11,442.96 = 4,935.02 : x
  2. Step 2: Convert to fraction form
    8,292.66/11,442.96 = 4,935.02/x
  3. Step 3: Cross multiply
    8,292.66x = 11,442.96 × 4,935.02
  4. Step 4: Simplify right side
    8,292.66x = 56,471,179.24
  5. Step 5: Solve for x
    x = 56,471,179.24/8,292.66
  6. Step 6: Final answer
    x = 6,809.78

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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.