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Finding the Fourth Proportional to 2,944.95, 4,417.57 and 753.70

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Solution

The fourth proportional to 2,944.95, 4,417.57 and 753.70 is: 1,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.95 : 4,417.57 = 753.70 : x
  2. Step 2: Convert to fraction form
    2,944.95/4,417.57 = 753.70/x
  3. Step 3: Cross multiply
    2,944.95x = 4,417.57 × 753.70
  4. Step 4: Simplify right side
    2,944.95x = 3,329,500.42
  5. Step 5: Solve for x
    x = 3,329,500.42/2,944.95
  6. Step 6: Final answer
    x = 1,130.58

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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.