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Finding the Fourth Proportional to 67,809.13, 101,713.70 and 26,256.13

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Solution

The fourth proportional to 67,809.13, 101,713.70 and 26,256.13 is: 39,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,809.13 : 101,713.70 = 26,256.13 : x
  2. Step 2: Convert to fraction form
    67,809.13/101,713.70 = 26,256.13/x
  3. Step 3: Cross multiply
    67,809.13x = 101,713.70 × 26,256.13
  4. Step 4: Simplify right side
    67,809.13x = 2,670,608,129.98
  5. Step 5: Solve for x
    x = 2,670,608,129.98/67,809.13
  6. Step 6: Final answer
    x = 39,384.20

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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.