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Finding the Fourth Proportional to 36,015.60, 54,023.40 and 35,432.40

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Solution

The fourth proportional to 36,015.60, 54,023.40 and 35,432.40 is: 53,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.60 : 54,023.40 = 35,432.40 : x
  2. Step 2: Convert to fraction form
    36,015.60/54,023.40 = 35,432.40/x
  3. Step 3: Cross multiply
    36,015.60x = 54,023.40 × 35,432.40
  4. Step 4: Simplify right side
    36,015.60x = 1,914,178,718.16
  5. Step 5: Solve for x
    x = 1,914,178,718.16/36,015.60
  6. Step 6: Final answer
    x = 53,148.60

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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.