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Finding the Fourth Proportional to 63,230.40, 87,258.60 and 34,550.88

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Solution

The fourth proportional to 63,230.40, 87,258.60 and 34,550.88 is: 47,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,230.40 : 87,258.60 = 34,550.88 : x
  2. Step 2: Convert to fraction form
    63,230.40/87,258.60 = 34,550.88/x
  3. Step 3: Cross multiply
    63,230.40x = 87,258.60 × 34,550.88
  4. Step 4: Simplify right side
    63,230.40x = 3,014,861,417.57
  5. Step 5: Solve for x
    x = 3,014,861,417.57/63,230.40
  6. Step 6: Final answer
    x = 47,680.57

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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.