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Finding the Fourth Proportional to 61,329.51, 84,637.12 and 34,471.93

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Solution

The fourth proportional to 61,329.51, 84,637.12 and 34,471.93 is: 47,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,329.51 : 84,637.12 = 34,471.93 : x
  2. Step 2: Convert to fraction form
    61,329.51/84,637.12 = 34,471.93/x
  3. Step 3: Cross multiply
    61,329.51x = 84,637.12 × 34,471.93
  4. Step 4: Simplify right side
    61,329.51x = 2,917,604,876.04
  5. Step 5: Solve for x
    x = 2,917,604,876.04/61,329.51
  6. Step 6: Final answer
    x = 47,572.61

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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.