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Finding the Fourth Proportional to 27,507.61, 41,224.15 and 19,699.21

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Solution

The fourth proportional to 27,507.61, 41,224.15 and 19,699.21 is: 29,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507.61 : 41,224.15 = 19,699.21 : x
  2. Step 2: Convert to fraction form
    27,507.61/41,224.15 = 19,699.21/x
  3. Step 3: Cross multiply
    27,507.61x = 41,224.15 × 19,699.21
  4. Step 4: Simplify right side
    27,507.61x = 812,083,187.92
  5. Step 5: Solve for x
    x = 812,083,187.92/27,507.61
  6. Step 6: Final answer
    x = 29,522.13

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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.