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Finding the Fourth Proportional to 21,610.93, 29,823.09 and 11,674.93

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Solution

The fourth proportional to 21,610.93, 29,823.09 and 11,674.93 is: 16,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610.93 : 29,823.09 = 11,674.93 : x
  2. Step 2: Convert to fraction form
    21,610.93/29,823.09 = 11,674.93/x
  3. Step 3: Cross multiply
    21,610.93x = 29,823.09 × 11,674.93
  4. Step 4: Simplify right side
    21,610.93x = 348,182,488.13
  5. Step 5: Solve for x
    x = 348,182,488.13/21,610.93
  6. Step 6: Final answer
    x = 16,111.41

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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.