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Finding the Fourth Proportional to 4,888.72, 7,324.44 and 4,785.04

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Solution

The fourth proportional to 4,888.72, 7,324.44 and 4,785.04 is: 7,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.72 : 7,324.44 = 4,785.04 : x
  2. Step 2: Convert to fraction form
    4,888.72/7,324.44 = 4,785.04/x
  3. Step 3: Cross multiply
    4,888.72x = 7,324.44 × 4,785.04
  4. Step 4: Simplify right side
    4,888.72x = 35,047,738.38
  5. Step 5: Solve for x
    x = 35,047,738.38/4,888.72
  6. Step 6: Final answer
    x = 7,169.10

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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.