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Finding the Fourth Proportional to 58,052.73, 87,117.93 and 21,116.73

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Solution

The fourth proportional to 58,052.73, 87,117.93 and 21,116.73 is: 31,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,052.73 : 87,117.93 = 21,116.73 : x
  2. Step 2: Convert to fraction form
    58,052.73/87,117.93 = 21,116.73/x
  3. Step 3: Cross multiply
    58,052.73x = 87,117.93 × 21,116.73
  4. Step 4: Simplify right side
    58,052.73x = 1,839,645,805.97
  5. Step 5: Solve for x
    x = 1,839,645,805.97/58,052.73
  6. Step 6: Final answer
    x = 31,689.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.