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Finding the Fourth Proportional to 3,349.78, 5,022.79 and 1,502.67

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Solution

The fourth proportional to 3,349.78, 5,022.79 and 1,502.67 is: 2,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.78 : 5,022.79 = 1,502.67 : x
  2. Step 2: Convert to fraction form
    3,349.78/5,022.79 = 1,502.67/x
  3. Step 3: Cross multiply
    3,349.78x = 5,022.79 × 1,502.67
  4. Step 4: Simplify right side
    3,349.78x = 7,547,595.85
  5. Step 5: Solve for x
    x = 7,547,595.85/3,349.78
  6. Step 6: Final answer
    x = 2,253.16

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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.