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Finding the Fourth Proportional to 58,706.57, 81,015.10 and 31,849.07

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Solution

The fourth proportional to 58,706.57, 81,015.10 and 31,849.07 is: 43,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,706.57 : 81,015.10 = 31,849.07 : x
  2. Step 2: Convert to fraction form
    58,706.57/81,015.10 = 31,849.07/x
  3. Step 3: Cross multiply
    58,706.57x = 81,015.10 × 31,849.07
  4. Step 4: Simplify right side
    58,706.57x = 2,580,255,789.82
  5. Step 5: Solve for x
    x = 2,580,255,789.82/58,706.57
  6. Step 6: Final answer
    x = 43,951.74

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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.