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Finding the Fourth Proportional to 1,607.93, 2,219.10 and 944.87

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Solution

The fourth proportional to 1,607.93, 2,219.10 and 944.87 is: 1,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.93 : 2,219.10 = 944.87 : x
  2. Step 2: Convert to fraction form
    1,607.93/2,219.10 = 944.87/x
  3. Step 3: Cross multiply
    1,607.93x = 2,219.10 × 944.87
  4. Step 4: Simplify right side
    1,607.93x = 2,096,749.92
  5. Step 5: Solve for x
    x = 2,096,749.92/1,607.93
  6. Step 6: Final answer
    x = 1,304.01

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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.