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Finding the Fourth Proportional to 7,926.68, 11,885.77 and 7,585.88

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Solution

The fourth proportional to 7,926.68, 11,885.77 and 7,585.88 is: 11,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.68 : 11,885.77 = 7,585.88 : x
  2. Step 2: Convert to fraction form
    7,926.68/11,885.77 = 7,585.88/x
  3. Step 3: Cross multiply
    7,926.68x = 11,885.77 × 7,585.88
  4. Step 4: Simplify right side
    7,926.68x = 90,163,974.98
  5. Step 5: Solve for x
    x = 90,163,974.98/7,926.68
  6. Step 6: Final answer
    x = 11,374.74

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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.