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Finding the Fourth Proportional to 61,051.68, 84,235.07 and 39,548.00

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Solution

The fourth proportional to 61,051.68, 84,235.07 and 39,548.00 is: 54,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,051.68 : 84,235.07 = 39,548.00 : x
  2. Step 2: Convert to fraction form
    61,051.68/84,235.07 = 39,548.00/x
  3. Step 3: Cross multiply
    61,051.68x = 84,235.07 × 39,548.00
  4. Step 4: Simplify right side
    61,051.68x = 3,331,328,857.82
  5. Step 5: Solve for x
    x = 3,331,328,857.82/61,051.68
  6. Step 6: Final answer
    x = 54,565.72

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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.