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Finding the Fourth Proportional to 60,887.20, 91,330.80 and 32,893.60

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Solution

The fourth proportional to 60,887.20, 91,330.80 and 32,893.60 is: 49,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,887.20 : 91,330.80 = 32,893.60 : x
  2. Step 2: Convert to fraction form
    60,887.20/91,330.80 = 32,893.60/x
  3. Step 3: Cross multiply
    60,887.20x = 91,330.80 × 32,893.60
  4. Step 4: Simplify right side
    60,887.20x = 3,004,198,802.88
  5. Step 5: Solve for x
    x = 3,004,198,802.88/60,887.20
  6. Step 6: Final answer
    x = 49,340.40

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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.