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Finding the Fourth Proportional to 47,192.88, 70,799.04 and 39,455.76

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Solution

The fourth proportional to 47,192.88, 70,799.04 and 39,455.76 is: 59,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,192.88 : 70,799.04 = 39,455.76 : x
  2. Step 2: Convert to fraction form
    47,192.88/70,799.04 = 39,455.76/x
  3. Step 3: Cross multiply
    47,192.88x = 70,799.04 × 39,455.76
  4. Step 4: Simplify right side
    47,192.88x = 2,793,429,930.47
  5. Step 5: Solve for x
    x = 2,793,429,930.47/47,192.88
  6. Step 6: Final answer
    x = 59,191.77

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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.