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Finding the Fourth Proportional to 24,888.65, 34,379.91 and 19,887.93

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Solution

The fourth proportional to 24,888.65, 34,379.91 and 19,887.93 is: 27,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,888.65 : 34,379.91 = 19,887.93 : x
  2. Step 2: Convert to fraction form
    24,888.65/34,379.91 = 19,887.93/x
  3. Step 3: Cross multiply
    24,888.65x = 34,379.91 × 19,887.93
  4. Step 4: Simplify right side
    24,888.65x = 683,745,243.49
  5. Step 5: Solve for x
    x = 683,745,243.49/24,888.65
  6. Step 6: Final answer
    x = 27,472.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.