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Finding the Fourth Proportional to 7,328.72, 10,992.71 and 2,397.71

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Solution

The fourth proportional to 7,328.72, 10,992.71 and 2,397.71 is: 3,596.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.72 : 10,992.71 = 2,397.71 : x
  2. Step 2: Convert to fraction form
    7,328.72/10,992.71 = 2,397.71/x
  3. Step 3: Cross multiply
    7,328.72x = 10,992.71 × 2,397.71
  4. Step 4: Simplify right side
    7,328.72x = 26,357,263.74
  5. Step 5: Solve for x
    x = 26,357,263.74/7,328.72
  6. Step 6: Final answer
    x = 3,596.44

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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.