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Finding the Fourth Proportional to 32,291.78, 44,584.20 and 20,210.60

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Solution

The fourth proportional to 32,291.78, 44,584.20 and 20,210.60 is: 27,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,291.78 : 44,584.20 = 20,210.60 : x
  2. Step 2: Convert to fraction form
    32,291.78/44,584.20 = 20,210.60/x
  3. Step 3: Cross multiply
    32,291.78x = 44,584.20 × 20,210.60
  4. Step 4: Simplify right side
    32,291.78x = 901,073,432.52
  5. Step 5: Solve for x
    x = 901,073,432.52/32,291.78
  6. Step 6: Final answer
    x = 27,904.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.