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Finding the Fourth Proportional to 38,220.40, 57,330.60 and 36,033.40

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Solution

The fourth proportional to 38,220.40, 57,330.60 and 36,033.40 is: 54,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,220.40 : 57,330.60 = 36,033.40 : x
  2. Step 2: Convert to fraction form
    38,220.40/57,330.60 = 36,033.40/x
  3. Step 3: Cross multiply
    38,220.40x = 57,330.60 × 36,033.40
  4. Step 4: Simplify right side
    38,220.40x = 2,065,816,442.04
  5. Step 5: Solve for x
    x = 2,065,816,442.04/38,220.40
  6. Step 6: Final answer
    x = 54,050.10

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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.