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Finding the Fourth Proportional to 15,868.48, 23,755.98 and 11,726.98

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Solution

The fourth proportional to 15,868.48, 23,755.98 and 11,726.98 is: 17,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,868.48 : 23,755.98 = 11,726.98 : x
  2. Step 2: Convert to fraction form
    15,868.48/23,755.98 = 11,726.98/x
  3. Step 3: Cross multiply
    15,868.48x = 23,755.98 × 11,726.98
  4. Step 4: Simplify right side
    15,868.48x = 278,585,902.34
  5. Step 5: Solve for x
    x = 278,585,902.34/15,868.48
  6. Step 6: Final answer
    x = 17,555.93

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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.