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Finding the Fourth Proportional to 7,302.68, 10,955.09 and 2,920.04

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Solution

The fourth proportional to 7,302.68, 10,955.09 and 2,920.04 is: 4,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.68 : 10,955.09 = 2,920.04 : x
  2. Step 2: Convert to fraction form
    7,302.68/10,955.09 = 2,920.04/x
  3. Step 3: Cross multiply
    7,302.68x = 10,955.09 × 2,920.04
  4. Step 4: Simplify right side
    7,302.68x = 31,989,253.53
  5. Step 5: Solve for x
    x = 31,989,253.53/7,302.68
  6. Step 6: Final answer
    x = 4,380.48

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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.