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Finding the Fourth Proportional to 32,187.60, 48,281.40 and 15,560.40

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Solution

The fourth proportional to 32,187.60, 48,281.40 and 15,560.40 is: 23,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,187.60 : 48,281.40 = 15,560.40 : x
  2. Step 2: Convert to fraction form
    32,187.60/48,281.40 = 15,560.40/x
  3. Step 3: Cross multiply
    32,187.60x = 48,281.40 × 15,560.40
  4. Step 4: Simplify right side
    32,187.60x = 751,277,896.56
  5. Step 5: Solve for x
    x = 751,277,896.56/32,187.60
  6. Step 6: Final answer
    x = 23,340.60

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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.