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Finding the Fourth Proportional to 9,001.88, 13,493.70 and 3,453.80

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Solution

The fourth proportional to 9,001.88, 13,493.70 and 3,453.80 is: 5,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.88 : 13,493.70 = 3,453.80 : x
  2. Step 2: Convert to fraction form
    9,001.88/13,493.70 = 3,453.80/x
  3. Step 3: Cross multiply
    9,001.88x = 13,493.70 × 3,453.80
  4. Step 4: Simplify right side
    9,001.88x = 46,604,541.06
  5. Step 5: Solve for x
    x = 46,604,541.06/9,001.88
  6. Step 6: Final answer
    x = 5,177.20

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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.