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Finding the Fourth Proportional to 60,845.40, 91,268.10 and 58,512.60

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Solution

The fourth proportional to 60,845.40, 91,268.10 and 58,512.60 is: 87,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,845.40 : 91,268.10 = 58,512.60 : x
  2. Step 2: Convert to fraction form
    60,845.40/91,268.10 = 58,512.60/x
  3. Step 3: Cross multiply
    60,845.40x = 91,268.10 × 58,512.60
  4. Step 4: Simplify right side
    60,845.40x = 5,340,333,828.06
  5. Step 5: Solve for x
    x = 5,340,333,828.06/60,845.40
  6. Step 6: Final answer
    x = 87,768.90

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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.