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Finding the Fourth Proportional to 18,349.88, 27,526.19 and 5,203.31

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Solution

The fourth proportional to 18,349.88, 27,526.19 and 5,203.31 is: 7,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.88 : 27,526.19 = 5,203.31 : x
  2. Step 2: Convert to fraction form
    18,349.88/27,526.19 = 5,203.31/x
  3. Step 3: Cross multiply
    18,349.88x = 27,526.19 × 5,203.31
  4. Step 4: Simplify right side
    18,349.88x = 143,227,136.04
  5. Step 5: Solve for x
    x = 143,227,136.04/18,349.88
  6. Step 6: Final answer
    x = 7,805.35

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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.