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Finding the Fourth Proportional to 26,807.38, 40,230.51 and 15,143.38

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Solution

The fourth proportional to 26,807.38, 40,230.51 and 15,143.38 is: 22,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,807.38 : 40,230.51 = 15,143.38 : x
  2. Step 2: Convert to fraction form
    26,807.38/40,230.51 = 15,143.38/x
  3. Step 3: Cross multiply
    26,807.38x = 40,230.51 × 15,143.38
  4. Step 4: Simplify right side
    26,807.38x = 609,225,900.52
  5. Step 5: Solve for x
    x = 609,225,900.52/26,807.38
  6. Step 6: Final answer
    x = 22,726.05

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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.