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Finding the Fourth Proportional to 62,852.20, 86,736.02 and 34,559.72

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Solution

The fourth proportional to 62,852.20, 86,736.02 and 34,559.72 is: 47,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,852.20 : 86,736.02 = 34,559.72 : x
  2. Step 2: Convert to fraction form
    62,852.20/86,736.02 = 34,559.72/x
  3. Step 3: Cross multiply
    62,852.20x = 86,736.02 × 34,559.72
  4. Step 4: Simplify right side
    62,852.20x = 2,997,572,565.11
  5. Step 5: Solve for x
    x = 2,997,572,565.11/62,852.20
  6. Step 6: Final answer
    x = 47,692.40

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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.