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Finding the Fourth Proportional to 9,992.62, 14,988.69 and 2,597.05

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Solution

The fourth proportional to 9,992.62, 14,988.69 and 2,597.05 is: 3,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.62 : 14,988.69 = 2,597.05 : x
  2. Step 2: Convert to fraction form
    9,992.62/14,988.69 = 2,597.05/x
  3. Step 3: Cross multiply
    9,992.62x = 14,988.69 × 2,597.05
  4. Step 4: Simplify right side
    9,992.62x = 38,926,377.36
  5. Step 5: Solve for x
    x = 38,926,377.36/9,992.62
  6. Step 6: Final answer
    x = 3,895.51

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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.