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Finding the Fourth Proportional to 58,958.91, 81,363.86 and 33,803.55

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Solution

The fourth proportional to 58,958.91, 81,363.86 and 33,803.55 is: 46,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,958.91 : 81,363.86 = 33,803.55 : x
  2. Step 2: Convert to fraction form
    58,958.91/81,363.86 = 33,803.55/x
  3. Step 3: Cross multiply
    58,958.91x = 81,363.86 × 33,803.55
  4. Step 4: Simplify right side
    58,958.91x = 2,750,387,140.69
  5. Step 5: Solve for x
    x = 2,750,387,140.69/58,958.91
  6. Step 6: Final answer
    x = 46,649.22

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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.