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Finding the Fourth Proportional to 61,114.50, 84,311.28 and 43,224.84

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Solution

The fourth proportional to 61,114.50, 84,311.28 and 43,224.84 is: 59,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,114.50 : 84,311.28 = 43,224.84 : x
  2. Step 2: Convert to fraction form
    61,114.50/84,311.28 = 43,224.84/x
  3. Step 3: Cross multiply
    61,114.50x = 84,311.28 × 43,224.84
  4. Step 4: Simplify right side
    61,114.50x = 3,644,341,588.20
  5. Step 5: Solve for x
    x = 3,644,341,588.20/61,114.50
  6. Step 6: Final answer
    x = 59,631.37

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1.5x scale

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.