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Finding the Fourth Proportional to 67,628.66, 101,423.16 and 25,478.34

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Solution

The fourth proportional to 67,628.66, 101,423.16 and 25,478.34 is: 38,210.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,628.66 : 101,423.16 = 25,478.34 : x
  2. Step 2: Convert to fraction form
    67,628.66/101,423.16 = 25,478.34/x
  3. Step 3: Cross multiply
    67,628.66x = 101,423.16 × 25,478.34
  4. Step 4: Simplify right side
    67,628.66x = 2,584,093,754.35
  5. Step 5: Solve for x
    x = 2,584,093,754.35/67,628.66
  6. Step 6: Final answer
    x = 38,210.04

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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.