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Finding the Fourth Proportional to 937.60, 1,296.24 and 898.24

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Solution

The fourth proportional to 937.60, 1,296.24 and 898.24 is: 1,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.60 : 1,296.24 = 898.24 : x
  2. Step 2: Convert to fraction form
    937.60/1,296.24 = 898.24/x
  3. Step 3: Cross multiply
    937.60x = 1,296.24 × 898.24
  4. Step 4: Simplify right side
    937.60x = 1,164,334.62
  5. Step 5: Solve for x
    x = 1,164,334.62/937.60
  6. Step 6: Final answer
    x = 1,241.82

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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.