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Finding the Fourth Proportional to 32,138.40, 43,248.60 and 32,138.40

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Solution

The fourth proportional to 32,138.40, 43,248.60 and 32,138.40 is: 43,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,138.40 : 43,248.60 = 32,138.40 : x
  2. Step 2: Convert to fraction form
    32,138.40/43,248.60 = 32,138.40/x
  3. Step 3: Cross multiply
    32,138.40x = 43,248.60 × 32,138.40
  4. Step 4: Simplify right side
    32,138.40x = 1,389,940,806.24
  5. Step 5: Solve for x
    x = 1,389,940,806.24/32,138.40
  6. Step 6: Final answer
    x = 43,248.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.