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Finding the Fourth Proportional to 61,214.81, 84,484.95 and 33,997.01

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Solution

The fourth proportional to 61,214.81, 84,484.95 and 33,997.01 is: 46,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,214.81 : 84,484.95 = 33,997.01 : x
  2. Step 2: Convert to fraction form
    61,214.81/84,484.95 = 33,997.01/x
  3. Step 3: Cross multiply
    61,214.81x = 84,484.95 × 33,997.01
  4. Step 4: Simplify right side
    61,214.81x = 2,872,235,690.00
  5. Step 5: Solve for x
    x = 2,872,235,690.00/61,214.81
  6. Step 6: Final answer
    x = 46,920.60

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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.