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Finding the Fourth Proportional to 1,475.85, 2,035.99 and 944.47

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Solution

The fourth proportional to 1,475.85, 2,035.99 and 944.47 is: 1,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.85 : 2,035.99 = 944.47 : x
  2. Step 2: Convert to fraction form
    1,475.85/2,035.99 = 944.47/x
  3. Step 3: Cross multiply
    1,475.85x = 2,035.99 × 944.47
  4. Step 4: Simplify right side
    1,475.85x = 1,922,931.48
  5. Step 5: Solve for x
    x = 1,922,931.48/1,475.85
  6. Step 6: Final answer
    x = 1,302.93

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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.