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Finding the Fourth Proportional to 5,599.24, 7,726.98 and 3,115.24

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Solution

The fourth proportional to 5,599.24, 7,726.98 and 3,115.24 is: 4,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.24 : 7,726.98 = 3,115.24 : x
  2. Step 2: Convert to fraction form
    5,599.24/7,726.98 = 3,115.24/x
  3. Step 3: Cross multiply
    5,599.24x = 7,726.98 × 3,115.24
  4. Step 4: Simplify right side
    5,599.24x = 24,071,397.18
  5. Step 5: Solve for x
    x = 24,071,397.18/5,599.24
  6. Step 6: Final answer
    x = 4,299.05

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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.