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Finding the Fourth Proportional to 88,991.46, 133,486.99 and 22,436.80

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Solution

The fourth proportional to 88,991.46, 133,486.99 and 22,436.80 is: 33,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,991.46 : 133,486.99 = 22,436.80 : x
  2. Step 2: Convert to fraction form
    88,991.46/133,486.99 = 22,436.80/x
  3. Step 3: Cross multiply
    88,991.46x = 133,486.99 × 22,436.80
  4. Step 4: Simplify right side
    88,991.46x = 2,995,020,507.42
  5. Step 5: Solve for x
    x = 2,995,020,507.42/88,991.46
  6. Step 6: Final answer
    x = 33,655.15

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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.