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Finding the Fourth Proportional to 61,309.02, 91,898.16 and 34,957.02

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Solution

The fourth proportional to 61,309.02, 91,898.16 and 34,957.02 is: 52,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,309.02 : 91,898.16 = 34,957.02 : x
  2. Step 2: Convert to fraction form
    61,309.02/91,898.16 = 34,957.02/x
  3. Step 3: Cross multiply
    61,309.02x = 91,898.16 × 34,957.02
  4. Step 4: Simplify right side
    61,309.02x = 3,212,485,817.08
  5. Step 5: Solve for x
    x = 3,212,485,817.08/61,309.02
  6. Step 6: Final answer
    x = 52,398.26

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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.