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Finding the Fourth Proportional to 26,347.80, 36,360.90 and 15,019.01

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Solution

The fourth proportional to 26,347.80, 36,360.90 and 15,019.01 is: 20,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,347.80 : 36,360.90 = 15,019.01 : x
  2. Step 2: Convert to fraction form
    26,347.80/36,360.90 = 15,019.01/x
  3. Step 3: Cross multiply
    26,347.80x = 36,360.90 × 15,019.01
  4. Step 4: Simplify right side
    26,347.80x = 546,104,538.90
  5. Step 5: Solve for x
    x = 546,104,538.90/26,347.80
  6. Step 6: Final answer
    x = 20,726.76

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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.