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Finding the Fourth Proportional to 61,543.95, 84,928.18 and 34,692.03

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Solution

The fourth proportional to 61,543.95, 84,928.18 and 34,692.03 is: 47,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,543.95 : 84,928.18 = 34,692.03 : x
  2. Step 2: Convert to fraction form
    61,543.95/84,928.18 = 34,692.03/x
  3. Step 3: Cross multiply
    61,543.95x = 84,928.18 × 34,692.03
  4. Step 4: Simplify right side
    61,543.95x = 2,946,330,948.98
  5. Step 5: Solve for x
    x = 2,946,330,948.98/61,543.95
  6. Step 6: Final answer
    x = 47,873.61

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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.