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Finding the Fourth Proportional to 89,035.70, 133,629.15 and 36,482.90

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Solution

The fourth proportional to 89,035.70, 133,629.15 and 36,482.90 is: 54,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,035.70 : 133,629.15 = 36,482.90 : x
  2. Step 2: Convert to fraction form
    89,035.70/133,629.15 = 36,482.90/x
  3. Step 3: Cross multiply
    89,035.70x = 133,629.15 × 36,482.90
  4. Step 4: Simplify right side
    89,035.70x = 4,875,178,916.54
  5. Step 5: Solve for x
    x = 4,875,178,916.54/89,035.70
  6. Step 6: Final answer
    x = 54,755.33

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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.