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Finding the Fourth Proportional to 2,824.72, 4,237.16 and 975.95

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Solution

The fourth proportional to 2,824.72, 4,237.16 and 975.95 is: 1,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.72 : 4,237.16 = 975.95 : x
  2. Step 2: Convert to fraction form
    2,824.72/4,237.16 = 975.95/x
  3. Step 3: Cross multiply
    2,824.72x = 4,237.16 × 975.95
  4. Step 4: Simplify right side
    2,824.72x = 4,135,251.62
  5. Step 5: Solve for x
    x = 4,135,251.62/2,824.72
  6. Step 6: Final answer
    x = 1,463.95

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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.