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Finding the Fourth Proportional to 58,857.72, 81,221.62 and 33,702.36

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Solution

The fourth proportional to 58,857.72, 81,221.62 and 33,702.36 is: 46,508.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,857.72 : 81,221.62 = 33,702.36 : x
  2. Step 2: Convert to fraction form
    58,857.72/81,221.62 = 33,702.36/x
  3. Step 3: Cross multiply
    58,857.72x = 81,221.62 × 33,702.36
  4. Step 4: Simplify right side
    58,857.72x = 2,737,360,277.02
  5. Step 5: Solve for x
    x = 2,737,360,277.02/58,857.72
  6. Step 6: Final answer
    x = 46,508.09

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1.5x scale

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.