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Finding the Fourth Proportional to 89,080.68, 133,655.58 and 33,681

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Solution

The fourth proportional to 89,080.68, 133,655.58 and 33,681 is: 50,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,080.68 : 133,655.58 = 33,681 : x
  2. Step 2: Convert to fraction form
    89,080.68/133,655.58 = 33,681/x
  3. Step 3: Cross multiply
    89,080.68x = 133,655.58 × 33,681
  4. Step 4: Simplify right side
    89,080.68x = 4,501,653,589.98
  5. Step 5: Solve for x
    x = 4,501,653,589.98/89,080.68
  6. Step 6: Final answer
    x = 50,534.57

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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.