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Finding the Fourth Proportional to 65,670.52, 98,477.30 and 36,079.48

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Solution

The fourth proportional to 65,670.52, 98,477.30 and 36,079.48 is: 54,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,670.52 : 98,477.30 = 36,079.48 : x
  2. Step 2: Convert to fraction form
    65,670.52/98,477.30 = 36,079.48/x
  3. Step 3: Cross multiply
    65,670.52x = 98,477.30 × 36,079.48
  4. Step 4: Simplify right side
    65,670.52x = 3,553,009,775.80
  5. Step 5: Solve for x
    x = 3,553,009,775.80/65,670.52
  6. Step 6: Final answer
    x = 54,103.57

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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.