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Finding the Fourth Proportional to 22,653.87, 33,980.59 and 15,962.86

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Solution

The fourth proportional to 22,653.87, 33,980.59 and 15,962.86 is: 23,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.87 : 33,980.59 = 15,962.86 : x
  2. Step 2: Convert to fraction form
    22,653.87/33,980.59 = 15,962.86/x
  3. Step 3: Cross multiply
    22,653.87x = 33,980.59 × 15,962.86
  4. Step 4: Simplify right side
    22,653.87x = 542,427,400.89
  5. Step 5: Solve for x
    x = 542,427,400.89/22,653.87
  6. Step 6: Final answer
    x = 23,944.14

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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.