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Finding the Fourth Proportional to 2,359.45, 3,539.63 and 898.49

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Solution

The fourth proportional to 2,359.45, 3,539.63 and 898.49 is: 1,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.45 : 3,539.63 = 898.49 : x
  2. Step 2: Convert to fraction form
    2,359.45/3,539.63 = 898.49/x
  3. Step 3: Cross multiply
    2,359.45x = 3,539.63 × 898.49
  4. Step 4: Simplify right side
    2,359.45x = 3,180,299.97
  5. Step 5: Solve for x
    x = 3,180,299.97/2,359.45
  6. Step 6: Final answer
    x = 1,347.90

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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.