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Finding the Fourth Proportional to 15,888.76, 23,833.14 and 9,360.52

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Solution

The fourth proportional to 15,888.76, 23,833.14 and 9,360.52 is: 14,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888.76 : 23,833.14 = 9,360.52 : x
  2. Step 2: Convert to fraction form
    15,888.76/23,833.14 = 9,360.52/x
  3. Step 3: Cross multiply
    15,888.76x = 23,833.14 × 9,360.52
  4. Step 4: Simplify right side
    15,888.76x = 223,090,583.63
  5. Step 5: Solve for x
    x = 223,090,583.63/15,888.76
  6. Step 6: Final answer
    x = 14,040.78

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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.