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Finding the Fourth Proportional to 61,484.93, 84,670.85 and 53,414.93

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Solution

The fourth proportional to 61,484.93, 84,670.85 and 53,414.93 is: 73,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,484.93 : 84,670.85 = 53,414.93 : x
  2. Step 2: Convert to fraction form
    61,484.93/84,670.85 = 53,414.93/x
  3. Step 3: Cross multiply
    61,484.93x = 84,670.85 × 53,414.93
  4. Step 4: Simplify right side
    61,484.93x = 4,522,687,258.72
  5. Step 5: Solve for x
    x = 4,522,687,258.72/61,484.93
  6. Step 6: Final answer
    x = 73,557.65

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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.