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Finding the Fourth Proportional to 89,038.80, 133,607.70 and 36,444.60

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Solution

The fourth proportional to 89,038.80, 133,607.70 and 36,444.60 is: 54,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,038.80 : 133,607.70 = 36,444.60 : x
  2. Step 2: Convert to fraction form
    89,038.80/133,607.70 = 36,444.60/x
  3. Step 3: Cross multiply
    89,038.80x = 133,607.70 × 36,444.60
  4. Step 4: Simplify right side
    89,038.80x = 4,869,279,183.42
  5. Step 5: Solve for x
    x = 4,869,279,183.42/89,038.80
  6. Step 6: Final answer
    x = 54,687.16

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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.