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Finding the Fourth Proportional to 21,888.23, 32,835.17 and 10,039.14

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Solution

The fourth proportional to 21,888.23, 32,835.17 and 10,039.14 is: 15,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888.23 : 32,835.17 = 10,039.14 : x
  2. Step 2: Convert to fraction form
    21,888.23/32,835.17 = 10,039.14/x
  3. Step 3: Cross multiply
    21,888.23x = 32,835.17 × 10,039.14
  4. Step 4: Simplify right side
    21,888.23x = 329,636,893.65
  5. Step 5: Solve for x
    x = 329,636,893.65/21,888.23
  6. Step 6: Final answer
    x = 15,060.01

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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.