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Finding the Fourth Proportional to 58,706.82, 87,860 and 37,348.74

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Solution

The fourth proportional to 58,706.82, 87,860 and 37,348.74 is: 55,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,706.82 : 87,860 = 37,348.74 : x
  2. Step 2: Convert to fraction form
    58,706.82/87,860 = 37,348.74/x
  3. Step 3: Cross multiply
    58,706.82x = 87,860 × 37,348.74
  4. Step 4: Simplify right side
    58,706.82x = 3,281,460,296.40
  5. Step 5: Solve for x
    x = 3,281,460,296.40/58,706.82
  6. Step 6: Final answer
    x = 55,895.73

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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.