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Finding the Fourth Proportional to 26,449.71, 39,673.95 and 6,728.28

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Solution

The fourth proportional to 26,449.71, 39,673.95 and 6,728.28 is: 10,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.71 : 39,673.95 = 6,728.28 : x
  2. Step 2: Convert to fraction form
    26,449.71/39,673.95 = 6,728.28/x
  3. Step 3: Cross multiply
    26,449.71x = 39,673.95 × 6,728.28
  4. Step 4: Simplify right side
    26,449.71x = 266,937,444.31
  5. Step 5: Solve for x
    x = 266,937,444.31/26,449.71
  6. Step 6: Final answer
    x = 10,092.26

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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.