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Finding the Fourth Proportional to 5,758.61, 7,936.46 and 4,332.61

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Solution

The fourth proportional to 5,758.61, 7,936.46 and 4,332.61 is: 5,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.61 : 7,936.46 = 4,332.61 : x
  2. Step 2: Convert to fraction form
    5,758.61/7,936.46 = 4,332.61/x
  3. Step 3: Cross multiply
    5,758.61x = 7,936.46 × 4,332.61
  4. Step 4: Simplify right side
    5,758.61x = 34,385,585.96
  5. Step 5: Solve for x
    x = 34,385,585.96/5,758.61
  6. Step 6: Final answer
    x = 5,971.16

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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.