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Finding the Fourth Proportional to 65,903.20, 98,828.40 and 24,340.96

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Solution

The fourth proportional to 65,903.20, 98,828.40 and 24,340.96 is: 36,501.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,903.20 : 98,828.40 = 24,340.96 : x
  2. Step 2: Convert to fraction form
    65,903.20/98,828.40 = 24,340.96/x
  3. Step 3: Cross multiply
    65,903.20x = 98,828.40 × 24,340.96
  4. Step 4: Simplify right side
    65,903.20x = 2,405,578,131.26
  5. Step 5: Solve for x
    x = 2,405,578,131.26/65,903.20
  6. Step 6: Final answer
    x = 36,501.69

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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.