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Finding the Fourth Proportional to 45,484.70, 68,143.92 and 32,973.71

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Solution

The fourth proportional to 45,484.70, 68,143.92 and 32,973.71 is: 49,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,484.70 : 68,143.92 = 32,973.71 : x
  2. Step 2: Convert to fraction form
    45,484.70/68,143.92 = 32,973.71/x
  3. Step 3: Cross multiply
    45,484.70x = 68,143.92 × 32,973.71
  4. Step 4: Simplify right side
    45,484.70x = 2,246,957,856.34
  5. Step 5: Solve for x
    x = 2,246,957,856.34/45,484.70
  6. Step 6: Final answer
    x = 49,400.30

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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.