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Finding the Fourth Proportional to 3,495.25, 5,242.88 and 898.19

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Solution

The fourth proportional to 3,495.25, 5,242.88 and 898.19 is: 1,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.25 : 5,242.88 = 898.19 : x
  2. Step 2: Convert to fraction form
    3,495.25/5,242.88 = 898.19/x
  3. Step 3: Cross multiply
    3,495.25x = 5,242.88 × 898.19
  4. Step 4: Simplify right side
    3,495.25x = 4,709,102.39
  5. Step 5: Solve for x
    x = 4,709,102.39/3,495.25
  6. Step 6: Final answer
    x = 1,347.29

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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.