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Finding the Fourth Proportional to 1,607.46, 2,217.76 and 944.46

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Solution

The fourth proportional to 1,607.46, 2,217.76 and 944.46 is: 1,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.46 : 2,217.76 = 944.46 : x
  2. Step 2: Convert to fraction form
    1,607.46/2,217.76 = 944.46/x
  3. Step 3: Cross multiply
    1,607.46x = 2,217.76 × 944.46
  4. Step 4: Simplify right side
    1,607.46x = 2,094,585.61
  5. Step 5: Solve for x
    x = 2,094,585.61/1,607.46
  6. Step 6: Final answer
    x = 1,303.04

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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.