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Finding the Fourth Proportional to 48,670.40, 73,005.60 and 43,745.60

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Solution

The fourth proportional to 48,670.40, 73,005.60 and 43,745.60 is: 65,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,670.40 : 73,005.60 = 43,745.60 : x
  2. Step 2: Convert to fraction form
    48,670.40/73,005.60 = 43,745.60/x
  3. Step 3: Cross multiply
    48,670.40x = 73,005.60 × 43,745.60
  4. Step 4: Simplify right side
    48,670.40x = 3,193,673,775.36
  5. Step 5: Solve for x
    x = 3,193,673,775.36/48,670.40
  6. Step 6: Final answer
    x = 65,618.40

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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.