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Finding the Fourth Proportional to 2,400.04, 3,601.02 and 861.16

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Solution

The fourth proportional to 2,400.04, 3,601.02 and 861.16 is: 1,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.04 : 3,601.02 = 861.16 : x
  2. Step 2: Convert to fraction form
    2,400.04/3,601.02 = 861.16/x
  3. Step 3: Cross multiply
    2,400.04x = 3,601.02 × 861.16
  4. Step 4: Simplify right side
    2,400.04x = 3,101,054.38
  5. Step 5: Solve for x
    x = 3,101,054.38/2,400.04
  6. Step 6: Final answer
    x = 1,292.08

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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.