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Finding the Fourth Proportional to 5,541.93, 7,648.32 and 3,152.65

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Solution

The fourth proportional to 5,541.93, 7,648.32 and 3,152.65 is: 4,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.93 : 7,648.32 = 3,152.65 : x
  2. Step 2: Convert to fraction form
    5,541.93/7,648.32 = 3,152.65/x
  3. Step 3: Cross multiply
    5,541.93x = 7,648.32 × 3,152.65
  4. Step 4: Simplify right side
    5,541.93x = 24,112,476.05
  5. Step 5: Solve for x
    x = 24,112,476.05/5,541.93
  6. Step 6: Final answer
    x = 4,350.92

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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.