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Finding the Fourth Proportional to 62,903.80, 94,277.94 and 31,722.04

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Solution

The fourth proportional to 62,903.80, 94,277.94 and 31,722.04 is: 47,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,903.80 : 94,277.94 = 31,722.04 : x
  2. Step 2: Convert to fraction form
    62,903.80/94,277.94 = 31,722.04/x
  3. Step 3: Cross multiply
    62,903.80x = 94,277.94 × 31,722.04
  4. Step 4: Simplify right side
    62,903.80x = 2,990,688,583.80
  5. Step 5: Solve for x
    x = 2,990,688,583.80/62,903.80
  6. Step 6: Final answer
    x = 47,543.85

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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.