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Finding the Fourth Proportional to 3,341.25, 5,011.94 and 876.29

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Solution

The fourth proportional to 3,341.25, 5,011.94 and 876.29 is: 1,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.25 : 5,011.94 = 876.29 : x
  2. Step 2: Convert to fraction form
    3,341.25/5,011.94 = 876.29/x
  3. Step 3: Cross multiply
    3,341.25x = 5,011.94 × 876.29
  4. Step 4: Simplify right side
    3,341.25x = 4,391,890.03
  5. Step 5: Solve for x
    x = 4,391,890.03/3,341.25
  6. Step 6: Final answer
    x = 1,314.45

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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.