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Finding the Fourth Proportional to 58,636.76, 80,928.96 and 34,771.76

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Solution

The fourth proportional to 58,636.76, 80,928.96 and 34,771.76 is: 47,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,636.76 : 80,928.96 = 34,771.76 : x
  2. Step 2: Convert to fraction form
    58,636.76/80,928.96 = 34,771.76/x
  3. Step 3: Cross multiply
    58,636.76x = 80,928.96 × 34,771.76
  4. Step 4: Simplify right side
    58,636.76x = 2,814,042,374.17
  5. Step 5: Solve for x
    x = 2,814,042,374.17/58,636.76
  6. Step 6: Final answer
    x = 47,991.10

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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.