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Finding the Fourth Proportional to 1,563.48, 2,346.24 and 833.58

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Solution

The fourth proportional to 1,563.48, 2,346.24 and 833.58 is: 1,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.48 : 2,346.24 = 833.58 : x
  2. Step 2: Convert to fraction form
    1,563.48/2,346.24 = 833.58/x
  3. Step 3: Cross multiply
    1,563.48x = 2,346.24 × 833.58
  4. Step 4: Simplify right side
    1,563.48x = 1,955,778.74
  5. Step 5: Solve for x
    x = 1,955,778.74/1,563.48
  6. Step 6: Final answer
    x = 1,250.91

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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.