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Finding the Fourth Proportional to 65,670.94, 98,505.60 and 44,558.70

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Solution

The fourth proportional to 65,670.94, 98,505.60 and 44,558.70 is: 66,837.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,670.94 : 98,505.60 = 44,558.70 : x
  2. Step 2: Convert to fraction form
    65,670.94/98,505.60 = 44,558.70/x
  3. Step 3: Cross multiply
    65,670.94x = 98,505.60 × 44,558.70
  4. Step 4: Simplify right side
    65,670.94x = 4,389,281,478.72
  5. Step 5: Solve for x
    x = 4,389,281,478.72/65,670.94
  6. Step 6: Final answer
    x = 66,837.50

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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.