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Finding the Fourth Proportional to 23,660.51, 32,651.10 and 13,051.13

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Solution

The fourth proportional to 23,660.51, 32,651.10 and 13,051.13 is: 18,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,660.51 : 32,651.10 = 13,051.13 : x
  2. Step 2: Convert to fraction form
    23,660.51/32,651.10 = 13,051.13/x
  3. Step 3: Cross multiply
    23,660.51x = 32,651.10 × 13,051.13
  4. Step 4: Simplify right side
    23,660.51x = 426,133,750.74
  5. Step 5: Solve for x
    x = 426,133,750.74/23,660.51
  6. Step 6: Final answer
    x = 18,010.34

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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.