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Finding the Fourth Proportional to 2,262.48, 3,392.66 and 876.47

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Solution

The fourth proportional to 2,262.48, 3,392.66 and 876.47 is: 1,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.48 : 3,392.66 = 876.47 : x
  2. Step 2: Convert to fraction form
    2,262.48/3,392.66 = 876.47/x
  3. Step 3: Cross multiply
    2,262.48x = 3,392.66 × 876.47
  4. Step 4: Simplify right side
    2,262.48x = 2,973,543.36
  5. Step 5: Solve for x
    x = 2,973,543.36/2,262.48
  6. Step 6: Final answer
    x = 1,314.28

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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.