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Finding the Fourth Proportional to 15,901.13, 23,835.08 and 5,367.51

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Solution

The fourth proportional to 15,901.13, 23,835.08 and 5,367.51 is: 8,045.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,901.13 : 23,835.08 = 5,367.51 : x
  2. Step 2: Convert to fraction form
    15,901.13/23,835.08 = 5,367.51/x
  3. Step 3: Cross multiply
    15,901.13x = 23,835.08 × 5,367.51
  4. Step 4: Simplify right side
    15,901.13x = 127,935,043.67
  5. Step 5: Solve for x
    x = 127,935,043.67/15,901.13
  6. Step 6: Final answer
    x = 8,045.66

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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.