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Finding the Fourth Proportional to 58,833.60, 81,190.89 and 31,976.17

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Solution

The fourth proportional to 58,833.60, 81,190.89 and 31,976.17 is: 44,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,833.60 : 81,190.89 = 31,976.17 : x
  2. Step 2: Convert to fraction form
    58,833.60/81,190.89 = 31,976.17/x
  3. Step 3: Cross multiply
    58,833.60x = 81,190.89 × 31,976.17
  4. Step 4: Simplify right side
    58,833.60x = 2,596,173,295.14
  5. Step 5: Solve for x
    x = 2,596,173,295.14/58,833.60
  6. Step 6: Final answer
    x = 44,127.40

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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.