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Finding the Fourth Proportional to 60,643.01, 90,980.92 and 34,366.21

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Solution

The fourth proportional to 60,643.01, 90,980.92 and 34,366.21 is: 51,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,643.01 : 90,980.92 = 34,366.21 : x
  2. Step 2: Convert to fraction form
    60,643.01/90,980.92 = 34,366.21/x
  3. Step 3: Cross multiply
    60,643.01x = 90,980.92 × 34,366.21
  4. Step 4: Simplify right side
    60,643.01x = 3,126,669,218.22
  5. Step 5: Solve for x
    x = 3,126,669,218.22/60,643.01
  6. Step 6: Final answer
    x = 51,558.61

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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.