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Finding the Fourth Proportional to 4,608.88, 6,913.32 and 1,146.13

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Solution

The fourth proportional to 4,608.88, 6,913.32 and 1,146.13 is: 1,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.88 : 6,913.32 = 1,146.13 : x
  2. Step 2: Convert to fraction form
    4,608.88/6,913.32 = 1,146.13/x
  3. Step 3: Cross multiply
    4,608.88x = 6,913.32 × 1,146.13
  4. Step 4: Simplify right side
    4,608.88x = 7,923,563.45
  5. Step 5: Solve for x
    x = 7,923,563.45/4,608.88
  6. Step 6: Final answer
    x = 1,719.20

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Similar ratio
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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.