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Finding the Fourth Proportional to 18,539.24, 27,810.08 and 7,444.49

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Solution

The fourth proportional to 18,539.24, 27,810.08 and 7,444.49 is: 11,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.24 : 27,810.08 = 7,444.49 : x
  2. Step 2: Convert to fraction form
    18,539.24/27,810.08 = 7,444.49/x
  3. Step 3: Cross multiply
    18,539.24x = 27,810.08 × 7,444.49
  4. Step 4: Simplify right side
    18,539.24x = 207,031,686.19
  5. Step 5: Solve for x
    x = 207,031,686.19/18,539.24
  6. Step 6: Final answer
    x = 11,167.22

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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.