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Finding the Fourth Proportional to 8,926.88, 13,373.04 and 6,870.56

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Solution

The fourth proportional to 8,926.88, 13,373.04 and 6,870.56 is: 10,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.88 : 13,373.04 = 6,870.56 : x
  2. Step 2: Convert to fraction form
    8,926.88/13,373.04 = 6,870.56/x
  3. Step 3: Cross multiply
    8,926.88x = 13,373.04 × 6,870.56
  4. Step 4: Simplify right side
    8,926.88x = 91,880,273.70
  5. Step 5: Solve for x
    x = 91,880,273.70/8,926.88
  6. Step 6: Final answer
    x = 10,292.54

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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.