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Finding the Fourth Proportional to 57,806.70, 79,772.02 and 32,312.35

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Solution

The fourth proportional to 57,806.70, 79,772.02 and 32,312.35 is: 44,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,806.70 : 79,772.02 = 32,312.35 : x
  2. Step 2: Convert to fraction form
    57,806.70/79,772.02 = 32,312.35/x
  3. Step 3: Cross multiply
    57,806.70x = 79,772.02 × 32,312.35
  4. Step 4: Simplify right side
    57,806.70x = 2,577,621,430.45
  5. Step 5: Solve for x
    x = 2,577,621,430.45/57,806.70
  6. Step 6: Final answer
    x = 44,590.36

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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.