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Finding the Fourth Proportional to 58,180.66, 80,270.86 and 35,508.31

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Solution

The fourth proportional to 58,180.66, 80,270.86 and 35,508.31 is: 48,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,180.66 : 80,270.86 = 35,508.31 : x
  2. Step 2: Convert to fraction form
    58,180.66/80,270.86 = 35,508.31/x
  3. Step 3: Cross multiply
    58,180.66x = 80,270.86 × 35,508.31
  4. Step 4: Simplify right side
    58,180.66x = 2,850,282,424.55
  5. Step 5: Solve for x
    x = 2,850,282,424.55/58,180.66
  6. Step 6: Final answer
    x = 48,990.20

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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.