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Finding the Fourth Proportional to 63,192.57, 87,205.78 and 34,512.63

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Solution

The fourth proportional to 63,192.57, 87,205.78 and 34,512.63 is: 47,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,192.57 : 87,205.78 = 34,512.63 : x
  2. Step 2: Convert to fraction form
    63,192.57/87,205.78 = 34,512.63/x
  3. Step 3: Cross multiply
    63,192.57x = 87,205.78 × 34,512.63
  4. Step 4: Simplify right side
    63,192.57x = 3,009,700,819.00
  5. Step 5: Solve for x
    x = 3,009,700,819.00/63,192.57
  6. Step 6: Final answer
    x = 47,627.45

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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.