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Finding the Fourth Proportional to 45,193.13, 67,813.34 and 32,815.40

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Solution

The fourth proportional to 45,193.13, 67,813.34 and 32,815.40 is: 49,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,193.13 : 67,813.34 = 32,815.40 : x
  2. Step 2: Convert to fraction form
    45,193.13/67,813.34 = 32,815.40/x
  3. Step 3: Cross multiply
    45,193.13x = 67,813.34 × 32,815.40
  4. Step 4: Simplify right side
    45,193.13x = 2,225,321,374.29
  5. Step 5: Solve for x
    x = 2,225,321,374.29/45,193.13
  6. Step 6: Final answer
    x = 49,240.26

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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.