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Finding the Fourth Proportional to 67,841.88, 93,709.04 and 52,119.76

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Solution

The fourth proportional to 67,841.88, 93,709.04 and 52,119.76 is: 71,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,841.88 : 93,709.04 = 52,119.76 : x
  2. Step 2: Convert to fraction form
    67,841.88/93,709.04 = 52,119.76/x
  3. Step 3: Cross multiply
    67,841.88x = 93,709.04 × 52,119.76
  4. Step 4: Simplify right side
    67,841.88x = 4,884,092,674.63
  5. Step 5: Solve for x
    x = 4,884,092,674.63/67,841.88
  6. Step 6: Final answer
    x = 71,992.30

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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.