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Finding the Fourth Proportional to 3,409.86, 5,114.22 and 944.93

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Solution

The fourth proportional to 3,409.86, 5,114.22 and 944.93 is: 1,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.86 : 5,114.22 = 944.93 : x
  2. Step 2: Convert to fraction form
    3,409.86/5,114.22 = 944.93/x
  3. Step 3: Cross multiply
    3,409.86x = 5,114.22 × 944.93
  4. Step 4: Simplify right side
    3,409.86x = 4,832,549.61
  5. Step 5: Solve for x
    x = 4,832,549.61/3,409.86
  6. Step 6: Final answer
    x = 1,417.23

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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.