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Finding the Fourth Proportional to 15,881.58, 23,822.86 and 5,888.81

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Solution

The fourth proportional to 15,881.58, 23,822.86 and 5,888.81 is: 8,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.58 : 23,822.86 = 5,888.81 : x
  2. Step 2: Convert to fraction form
    15,881.58/23,822.86 = 5,888.81/x
  3. Step 3: Cross multiply
    15,881.58x = 23,822.86 × 5,888.81
  4. Step 4: Simplify right side
    15,881.58x = 140,288,318.45
  5. Step 5: Solve for x
    x = 140,288,318.45/15,881.58
  6. Step 6: Final answer
    x = 8,833.40

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1.5x scale

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.