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Finding the Fourth Proportional to 7,084.54, 10,615.72 and 4,482

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Solution

The fourth proportional to 7,084.54, 10,615.72 and 4,482 is: 6,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.54 : 10,615.72 = 4,482 : x
  2. Step 2: Convert to fraction form
    7,084.54/10,615.72 = 4,482/x
  3. Step 3: Cross multiply
    7,084.54x = 10,615.72 × 4,482
  4. Step 4: Simplify right side
    7,084.54x = 47,579,657.04
  5. Step 5: Solve for x
    x = 47,579,657.04/7,084.54
  6. Step 6: Final answer
    x = 6,715.98

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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.