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Finding the Fourth Proportional to 15,162.95, 22,734.64 and 6,395.51

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Solution

The fourth proportional to 15,162.95, 22,734.64 and 6,395.51 is: 9,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162.95 : 22,734.64 = 6,395.51 : x
  2. Step 2: Convert to fraction form
    15,162.95/22,734.64 = 6,395.51/x
  3. Step 3: Cross multiply
    15,162.95x = 22,734.64 × 6,395.51
  4. Step 4: Simplify right side
    15,162.95x = 145,399,617.47
  5. Step 5: Solve for x
    x = 145,399,617.47/15,162.95
  6. Step 6: Final answer
    x = 9,589.14

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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.