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Finding the Fourth Proportional to 71,873.46, 107,885.52 and 34,465.23

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Solution

The fourth proportional to 71,873.46, 107,885.52 and 34,465.23 is: 51,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,873.46 : 107,885.52 = 34,465.23 : x
  2. Step 2: Convert to fraction form
    71,873.46/107,885.52 = 34,465.23/x
  3. Step 3: Cross multiply
    71,873.46x = 107,885.52 × 34,465.23
  4. Step 4: Simplify right side
    71,873.46x = 3,718,299,260.47
  5. Step 5: Solve for x
    x = 3,718,299,260.47/71,873.46
  6. Step 6: Final answer
    x = 51,733.97

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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.