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Finding the Fourth Proportional to 3,458.59, 4,748.74 and 3,368.38

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Solution

The fourth proportional to 3,458.59, 4,748.74 and 3,368.38 is: 4,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.59 : 4,748.74 = 3,368.38 : x
  2. Step 2: Convert to fraction form
    3,458.59/4,748.74 = 3,368.38/x
  3. Step 3: Cross multiply
    3,458.59x = 4,748.74 × 3,368.38
  4. Step 4: Simplify right side
    3,458.59x = 15,995,560.84
  5. Step 5: Solve for x
    x = 15,995,560.84/3,458.59
  6. Step 6: Final answer
    x = 4,624.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.