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Finding the Fourth Proportional to 8,801.48, 13,203.74 and 2,958.12

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Solution

The fourth proportional to 8,801.48, 13,203.74 and 2,958.12 is: 4,437.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.48 : 13,203.74 = 2,958.12 : x
  2. Step 2: Convert to fraction form
    8,801.48/13,203.74 = 2,958.12/x
  3. Step 3: Cross multiply
    8,801.48x = 13,203.74 × 2,958.12
  4. Step 4: Simplify right side
    8,801.48x = 39,058,247.37
  5. Step 5: Solve for x
    x = 39,058,247.37/8,801.48
  6. Step 6: Final answer
    x = 4,437.69

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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.