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Finding the Fourth Proportional to 69,880.92, 96,434.34 and 38,050.44

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Solution

The fourth proportional to 69,880.92, 96,434.34 and 38,050.44 is: 52,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,880.92 : 96,434.34 = 38,050.44 : x
  2. Step 2: Convert to fraction form
    69,880.92/96,434.34 = 38,050.44/x
  3. Step 3: Cross multiply
    69,880.92x = 96,434.34 × 38,050.44
  4. Step 4: Simplify right side
    69,880.92x = 3,669,369,068.11
  5. Step 5: Solve for x
    x = 3,669,369,068.11/69,880.92
  6. Step 6: Final answer
    x = 52,508.88

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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.