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Finding the Fourth Proportional to 65,628.40, 98,442.60 and 24,091.60

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Solution

The fourth proportional to 65,628.40, 98,442.60 and 24,091.60 is: 36,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,628.40 : 98,442.60 = 24,091.60 : x
  2. Step 2: Convert to fraction form
    65,628.40/98,442.60 = 24,091.60/x
  3. Step 3: Cross multiply
    65,628.40x = 98,442.60 × 24,091.60
  4. Step 4: Simplify right side
    65,628.40x = 2,371,639,742.16
  5. Step 5: Solve for x
    x = 2,371,639,742.16/65,628.40
  6. Step 6: Final answer
    x = 36,137.40

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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.