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Finding the Fourth Proportional to 48,725.40, 73,031.40 and 22,432.80

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Solution

The fourth proportional to 48,725.40, 73,031.40 and 22,432.80 is: 33,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,725.40 : 73,031.40 = 22,432.80 : x
  2. Step 2: Convert to fraction form
    48,725.40/73,031.40 = 22,432.80/x
  3. Step 3: Cross multiply
    48,725.40x = 73,031.40 × 22,432.80
  4. Step 4: Simplify right side
    48,725.40x = 1,638,298,789.92
  5. Step 5: Solve for x
    x = 1,638,298,789.92/48,725.40
  6. Step 6: Final answer
    x = 33,623.10

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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.