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Finding the Fourth Proportional to 89,009.67, 133,466.61 and 35,674.89

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Solution

The fourth proportional to 89,009.67, 133,466.61 and 35,674.89 is: 53,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,009.67 : 133,466.61 = 35,674.89 : x
  2. Step 2: Convert to fraction form
    89,009.67/133,466.61 = 35,674.89/x
  3. Step 3: Cross multiply
    89,009.67x = 133,466.61 × 35,674.89
  4. Step 4: Simplify right side
    89,009.67x = 4,761,406,630.42
  5. Step 5: Solve for x
    x = 4,761,406,630.42/89,009.67
  6. Step 6: Final answer
    x = 53,493.14

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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.