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Finding the Fourth Proportional to 2,348.56, 3,520.36 and 887.08

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Solution

The fourth proportional to 2,348.56, 3,520.36 and 887.08 is: 1,329.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.56 : 3,520.36 = 887.08 : x
  2. Step 2: Convert to fraction form
    2,348.56/3,520.36 = 887.08/x
  3. Step 3: Cross multiply
    2,348.56x = 3,520.36 × 887.08
  4. Step 4: Simplify right side
    2,348.56x = 3,122,840.95
  5. Step 5: Solve for x
    x = 3,122,840.95/2,348.56
  6. Step 6: Final answer
    x = 1,329.68

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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.