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Finding the Fourth Proportional to 35,873.10, 53,806.95 and 15,888.78

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Solution

The fourth proportional to 35,873.10, 53,806.95 and 15,888.78 is: 23,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,873.10 : 53,806.95 = 15,888.78 : x
  2. Step 2: Convert to fraction form
    35,873.10/53,806.95 = 15,888.78/x
  3. Step 3: Cross multiply
    35,873.10x = 53,806.95 × 15,888.78
  4. Step 4: Simplify right side
    35,873.10x = 854,926,791.02
  5. Step 5: Solve for x
    x = 854,926,791.02/35,873.10
  6. Step 6: Final answer
    x = 23,831.97

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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.