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Finding the Fourth Proportional to 9,373.88, 14,058.76 and 2,799.21

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Solution

The fourth proportional to 9,373.88, 14,058.76 and 2,799.21 is: 4,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.88 : 14,058.76 = 2,799.21 : x
  2. Step 2: Convert to fraction form
    9,373.88/14,058.76 = 2,799.21/x
  3. Step 3: Cross multiply
    9,373.88x = 14,058.76 × 2,799.21
  4. Step 4: Simplify right side
    9,373.88x = 39,353,421.58
  5. Step 5: Solve for x
    x = 39,353,421.58/9,373.88
  6. Step 6: Final answer
    x = 4,198.20

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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.