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Finding the Fourth Proportional to 4,874.03, 7,312.13 and 2,275.55

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Solution

The fourth proportional to 4,874.03, 7,312.13 and 2,275.55 is: 3,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.03 : 7,312.13 = 2,275.55 : x
  2. Step 2: Convert to fraction form
    4,874.03/7,312.13 = 2,275.55/x
  3. Step 3: Cross multiply
    4,874.03x = 7,312.13 × 2,275.55
  4. Step 4: Simplify right side
    4,874.03x = 16,639,124.32
  5. Step 5: Solve for x
    x = 16,639,124.32/4,874.03
  6. Step 6: Final answer
    x = 3,413.83

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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.