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Finding the Fourth Proportional to 32,661.20, 48,894.60 and 21,580.40

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Solution

The fourth proportional to 32,661.20, 48,894.60 and 21,580.40 is: 32,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,661.20 : 48,894.60 = 21,580.40 : x
  2. Step 2: Convert to fraction form
    32,661.20/48,894.60 = 21,580.40/x
  3. Step 3: Cross multiply
    32,661.20x = 48,894.60 × 21,580.40
  4. Step 4: Simplify right side
    32,661.20x = 1,055,165,025.84
  5. Step 5: Solve for x
    x = 1,055,165,025.84/32,661.20
  6. Step 6: Final answer
    x = 32,306.38

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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.