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Finding the Fourth Proportional to 60,355.80, 90,533.70 and 37,902.60

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Solution

The fourth proportional to 60,355.80, 90,533.70 and 37,902.60 is: 56,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,355.80 : 90,533.70 = 37,902.60 : x
  2. Step 2: Convert to fraction form
    60,355.80/90,533.70 = 37,902.60/x
  3. Step 3: Cross multiply
    60,355.80x = 90,533.70 × 37,902.60
  4. Step 4: Simplify right side
    60,355.80x = 3,431,462,617.62
  5. Step 5: Solve for x
    x = 3,431,462,617.62/60,355.80
  6. Step 6: Final answer
    x = 56,853.90

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Similar ratio
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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.