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Finding the Fourth Proportional to 65,777.16, 98,651.16 and 26,323.68

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Solution

The fourth proportional to 65,777.16, 98,651.16 and 26,323.68 is: 39,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,777.16 : 98,651.16 = 26,323.68 : x
  2. Step 2: Convert to fraction form
    65,777.16/98,651.16 = 26,323.68/x
  3. Step 3: Cross multiply
    65,777.16x = 98,651.16 × 26,323.68
  4. Step 4: Simplify right side
    65,777.16x = 2,596,861,567.47
  5. Step 5: Solve for x
    x = 2,596,861,567.47/65,777.16
  6. Step 6: Final answer
    x = 39,479.69

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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.