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Finding the Fourth Proportional to 34,857.47, 52,323.06 and 21,719.07

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Solution

The fourth proportional to 34,857.47, 52,323.06 and 21,719.07 is: 32,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,857.47 : 52,323.06 = 21,719.07 : x
  2. Step 2: Convert to fraction form
    34,857.47/52,323.06 = 21,719.07/x
  3. Step 3: Cross multiply
    34,857.47x = 52,323.06 × 21,719.07
  4. Step 4: Simplify right side
    34,857.47x = 1,136,408,284.20
  5. Step 5: Solve for x
    x = 1,136,408,284.20/34,857.47
  6. Step 6: Final answer
    x = 32,601.57

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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.