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Finding the Fourth Proportional to 22,615.95, 33,923.93 and 21,656.10

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Solution

The fourth proportional to 22,615.95, 33,923.93 and 21,656.10 is: 32,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,615.95 : 33,923.93 = 21,656.10 : x
  2. Step 2: Convert to fraction form
    22,615.95/33,923.93 = 21,656.10/x
  3. Step 3: Cross multiply
    22,615.95x = 33,923.93 × 21,656.10
  4. Step 4: Simplify right side
    22,615.95x = 734,659,912.19
  5. Step 5: Solve for x
    x = 734,659,912.19/22,615.95
  6. Step 6: Final answer
    x = 32,484.15

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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.