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Finding the Fourth Proportional to 4,746.38, 7,105.55 and 3,505.55

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Solution

The fourth proportional to 4,746.38, 7,105.55 and 3,505.55 is: 5,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.38 : 7,105.55 = 3,505.55 : x
  2. Step 2: Convert to fraction form
    4,746.38/7,105.55 = 3,505.55/x
  3. Step 3: Cross multiply
    4,746.38x = 7,105.55 × 3,505.55
  4. Step 4: Simplify right side
    4,746.38x = 24,908,807.75
  5. Step 5: Solve for x
    x = 24,908,807.75/4,746.38
  6. Step 6: Final answer
    x = 5,247.96

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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.