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Finding the Fourth Proportional to 32,745.60, 49,125.60 and 15,211.20

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Solution

The fourth proportional to 32,745.60, 49,125.60 and 15,211.20 is: 22,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,745.60 : 49,125.60 = 15,211.20 : x
  2. Step 2: Convert to fraction form
    32,745.60/49,125.60 = 15,211.20/x
  3. Step 3: Cross multiply
    32,745.60x = 49,125.60 × 15,211.20
  4. Step 4: Simplify right side
    32,745.60x = 747,259,326.72
  5. Step 5: Solve for x
    x = 747,259,326.72/32,745.60
  6. Step 6: Final answer
    x = 22,820.14

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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.