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Finding the Fourth Proportional to 32,196.80, 48,327.60 and 15,570.20

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Solution

The fourth proportional to 32,196.80, 48,327.60 and 15,570.20 is: 23,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,196.80 : 48,327.60 = 15,570.20 : x
  2. Step 2: Convert to fraction form
    32,196.80/48,327.60 = 15,570.20/x
  3. Step 3: Cross multiply
    32,196.80x = 48,327.60 × 15,570.20
  4. Step 4: Simplify right side
    32,196.80x = 752,470,397.52
  5. Step 5: Solve for x
    x = 752,470,397.52/32,196.80
  6. Step 6: Final answer
    x = 23,370.97

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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.