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Finding the Fourth Proportional to 58,727.56, 81,024.40 and 33,230.40

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Solution

The fourth proportional to 58,727.56, 81,024.40 and 33,230.40 is: 45,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,727.56 : 81,024.40 = 33,230.40 : x
  2. Step 2: Convert to fraction form
    58,727.56/81,024.40 = 33,230.40/x
  3. Step 3: Cross multiply
    58,727.56x = 81,024.40 × 33,230.40
  4. Step 4: Simplify right side
    58,727.56x = 2,692,473,221.76
  5. Step 5: Solve for x
    x = 2,692,473,221.76/58,727.56
  6. Step 6: Final answer
    x = 45,846.84

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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.