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Finding the Fourth Proportional to 3,276.95, 4,522.08 and 1,914.47

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Solution

The fourth proportional to 3,276.95, 4,522.08 and 1,914.47 is: 2,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.95 : 4,522.08 = 1,914.47 : x
  2. Step 2: Convert to fraction form
    3,276.95/4,522.08 = 1,914.47/x
  3. Step 3: Cross multiply
    3,276.95x = 4,522.08 × 1,914.47
  4. Step 4: Simplify right side
    3,276.95x = 8,657,363.89
  5. Step 5: Solve for x
    x = 8,657,363.89/3,276.95
  6. Step 6: Final answer
    x = 2,641.90

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1.5x scale

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.