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Finding the Fourth Proportional to 4,354.48, 6,009.42 and 2,491.48

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Solution

The fourth proportional to 4,354.48, 6,009.42 and 2,491.48 is: 3,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,354.48 : 6,009.42 = 2,491.48 : x
  2. Step 2: Convert to fraction form
    4,354.48/6,009.42 = 2,491.48/x
  3. Step 3: Cross multiply
    4,354.48x = 6,009.42 × 2,491.48
  4. Step 4: Simplify right side
    4,354.48x = 14,972,349.74
  5. Step 5: Solve for x
    x = 14,972,349.74/4,354.48
  6. Step 6: Final answer
    x = 3,438.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.