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Finding the Fourth Proportional to 61,381.88, 92,074.80 and 17,009.06

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Solution

The fourth proportional to 61,381.88, 92,074.80 and 17,009.06 is: 25,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,381.88 : 92,074.80 = 17,009.06 : x
  2. Step 2: Convert to fraction form
    61,381.88/92,074.80 = 17,009.06/x
  3. Step 3: Cross multiply
    61,381.88x = 92,074.80 × 17,009.06
  4. Step 4: Simplify right side
    61,381.88x = 1,566,105,797.69
  5. Step 5: Solve for x
    x = 1,566,105,797.69/61,381.88
  6. Step 6: Final answer
    x = 25,514.14

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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.