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Finding the Fourth Proportional to 63,722.27, 87,938.16 and 35,040.11

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Solution

The fourth proportional to 63,722.27, 87,938.16 and 35,040.11 is: 48,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,722.27 : 87,938.16 = 35,040.11 : x
  2. Step 2: Convert to fraction form
    63,722.27/87,938.16 = 35,040.11/x
  3. Step 3: Cross multiply
    63,722.27x = 87,938.16 × 35,040.11
  4. Step 4: Simplify right side
    63,722.27x = 3,081,362,624.40
  5. Step 5: Solve for x
    x = 3,081,362,624.40/63,722.27
  6. Step 6: Final answer
    x = 48,356.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.