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Finding the Fourth Proportional to 65,608.30, 98,521.80 and 36,047.35

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Solution

The fourth proportional to 65,608.30, 98,521.80 and 36,047.35 is: 54,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,608.30 : 98,521.80 = 36,047.35 : x
  2. Step 2: Convert to fraction form
    65,608.30/98,521.80 = 36,047.35/x
  3. Step 3: Cross multiply
    65,608.30x = 98,521.80 × 36,047.35
  4. Step 4: Simplify right side
    65,608.30x = 3,551,449,807.23
  5. Step 5: Solve for x
    x = 3,551,449,807.23/65,608.30
  6. Step 6: Final answer
    x = 54,131.11

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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.