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Finding the Fourth Proportional to 89,053.80, 133,630.20 and 36,459.60

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Solution

The fourth proportional to 89,053.80, 133,630.20 and 36,459.60 is: 54,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,053.80 : 133,630.20 = 36,459.60 : x
  2. Step 2: Convert to fraction form
    89,053.80/133,630.20 = 36,459.60/x
  3. Step 3: Cross multiply
    89,053.80x = 133,630.20 × 36,459.60
  4. Step 4: Simplify right side
    89,053.80x = 4,872,103,639.92
  5. Step 5: Solve for x
    x = 4,872,103,639.92/89,053.80
  6. Step 6: Final answer
    x = 54,709.67

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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.