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Finding the Fourth Proportional to 8,900.38, 13,352.45 and 3,353.60

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Solution

The fourth proportional to 8,900.38, 13,352.45 and 3,353.60 is: 5,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.38 : 13,352.45 = 3,353.60 : x
  2. Step 2: Convert to fraction form
    8,900.38/13,352.45 = 3,353.60/x
  3. Step 3: Cross multiply
    8,900.38x = 13,352.45 × 3,353.60
  4. Step 4: Simplify right side
    8,900.38x = 44,778,776.32
  5. Step 5: Solve for x
    x = 44,778,776.32/8,900.38
  6. Step 6: Final answer
    x = 5,031.11

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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.