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Finding the Fourth Proportional to 3,675.84, 5,513.63 and 902.52

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Solution

The fourth proportional to 3,675.84, 5,513.63 and 902.52 is: 1,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.84 : 5,513.63 = 902.52 : x
  2. Step 2: Convert to fraction form
    3,675.84/5,513.63 = 902.52/x
  3. Step 3: Cross multiply
    3,675.84x = 5,513.63 × 902.52
  4. Step 4: Simplify right side
    3,675.84x = 4,976,156.84
  5. Step 5: Solve for x
    x = 4,976,156.84/3,675.84
  6. Step 6: Final answer
    x = 1,353.75

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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.