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Finding the Fourth Proportional to 32,140.56, 44,358.39 and 19,394.40

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Solution

The fourth proportional to 32,140.56, 44,358.39 and 19,394.40 is: 26,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,140.56 : 44,358.39 = 19,394.40 : x
  2. Step 2: Convert to fraction form
    32,140.56/44,358.39 = 19,394.40/x
  3. Step 3: Cross multiply
    32,140.56x = 44,358.39 × 19,394.40
  4. Step 4: Simplify right side
    32,140.56x = 860,304,359.02
  5. Step 5: Solve for x
    x = 860,304,359.02/32,140.56
  6. Step 6: Final answer
    x = 26,766.94

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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.