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Finding the Fourth Proportional to 36,888.60, 55,340.10 and 15,828.60

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Solution

The fourth proportional to 36,888.60, 55,340.10 and 15,828.60 is: 23,745.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,888.60 : 55,340.10 = 15,828.60 : x
  2. Step 2: Convert to fraction form
    36,888.60/55,340.10 = 15,828.60/x
  3. Step 3: Cross multiply
    36,888.60x = 55,340.10 × 15,828.60
  4. Step 4: Simplify right side
    36,888.60x = 875,956,306.86
  5. Step 5: Solve for x
    x = 875,956,306.86/36,888.60
  6. Step 6: Final answer
    x = 23,745.99

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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.