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Finding the Fourth Proportional to 89,048.80, 133,622.70 and 36,454.60

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Solution

The fourth proportional to 89,048.80, 133,622.70 and 36,454.60 is: 54,702.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,048.80 : 133,622.70 = 36,454.60 : x
  2. Step 2: Convert to fraction form
    89,048.80/133,622.70 = 36,454.60/x
  3. Step 3: Cross multiply
    89,048.80x = 133,622.70 × 36,454.60
  4. Step 4: Simplify right side
    89,048.80x = 4,871,162,079.42
  5. Step 5: Solve for x
    x = 4,871,162,079.42/89,048.80
  6. Step 6: Final answer
    x = 54,702.16

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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.