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Finding the Fourth Proportional to 11,658.76, 17,471.13 and 5,807.32

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Solution

The fourth proportional to 11,658.76, 17,471.13 and 5,807.32 is: 8,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658.76 : 17,471.13 = 5,807.32 : x
  2. Step 2: Convert to fraction form
    11,658.76/17,471.13 = 5,807.32/x
  3. Step 3: Cross multiply
    11,658.76x = 17,471.13 × 5,807.32
  4. Step 4: Simplify right side
    11,658.76x = 101,460,442.67
  5. Step 5: Solve for x
    x = 101,460,442.67/11,658.76
  6. Step 6: Final answer
    x = 8,702.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.