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Finding the Fourth Proportional to 15,081.94, 22,621.98 and 6,759.72

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Solution

The fourth proportional to 15,081.94, 22,621.98 and 6,759.72 is: 10,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081.94 : 22,621.98 = 6,759.72 : x
  2. Step 2: Convert to fraction form
    15,081.94/22,621.98 = 6,759.72/x
  3. Step 3: Cross multiply
    15,081.94x = 22,621.98 × 6,759.72
  4. Step 4: Simplify right side
    15,081.94x = 152,918,275.99
  5. Step 5: Solve for x
    x = 152,918,275.99/15,081.94
  6. Step 6: Final answer
    x = 10,139.17

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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.