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Finding the Fourth Proportional to 7,315.92, 10,095.30 and 4,482

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Solution

The fourth proportional to 7,315.92, 10,095.30 and 4,482 is: 6,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.92 : 10,095.30 = 4,482 : x
  2. Step 2: Convert to fraction form
    7,315.92/10,095.30 = 4,482/x
  3. Step 3: Cross multiply
    7,315.92x = 10,095.30 × 4,482
  4. Step 4: Simplify right side
    7,315.92x = 45,247,134.60
  5. Step 5: Solve for x
    x = 45,247,134.60/7,315.92
  6. Step 6: Final answer
    x = 6,184.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.