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Finding the Fourth Proportional to 67,402.84, 101,104.02 and 17,478.76

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Solution

The fourth proportional to 67,402.84, 101,104.02 and 17,478.76 is: 26,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,402.84 : 101,104.02 = 17,478.76 : x
  2. Step 2: Convert to fraction form
    67,402.84/101,104.02 = 17,478.76/x
  3. Step 3: Cross multiply
    67,402.84x = 101,104.02 × 17,478.76
  4. Step 4: Simplify right side
    67,402.84x = 1,767,172,900.62
  5. Step 5: Solve for x
    x = 1,767,172,900.62/67,402.84
  6. Step 6: Final answer
    x = 26,218.08

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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.