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Finding the Fourth Proportional to 65,627.60, 98,441.40 and 60,558.80

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Solution

The fourth proportional to 65,627.60, 98,441.40 and 60,558.80 is: 90,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,627.60 : 98,441.40 = 60,558.80 : x
  2. Step 2: Convert to fraction form
    65,627.60/98,441.40 = 60,558.80/x
  3. Step 3: Cross multiply
    65,627.60x = 98,441.40 × 60,558.80
  4. Step 4: Simplify right side
    65,627.60x = 5,961,493,054.32
  5. Step 5: Solve for x
    x = 5,961,493,054.32/65,627.60
  6. Step 6: Final answer
    x = 90,838.20

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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.