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Finding the Fourth Proportional to 5,598.99, 7,726.77 and 3,081.17

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Solution

The fourth proportional to 5,598.99, 7,726.77 and 3,081.17 is: 4,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.99 : 7,726.77 = 3,081.17 : x
  2. Step 2: Convert to fraction form
    5,598.99/7,726.77 = 3,081.17/x
  3. Step 3: Cross multiply
    5,598.99x = 7,726.77 × 3,081.17
  4. Step 4: Simplify right side
    5,598.99x = 23,807,511.24
  5. Step 5: Solve for x
    x = 23,807,511.24/5,598.99
  6. Step 6: Final answer
    x = 4,252.11

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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.