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Finding the Fourth Proportional to 58,513.55, 87,700.11 and 33,570.82

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Solution

The fourth proportional to 58,513.55, 87,700.11 and 33,570.82 is: 50,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,513.55 : 87,700.11 = 33,570.82 : x
  2. Step 2: Convert to fraction form
    58,513.55/87,700.11 = 33,570.82/x
  3. Step 3: Cross multiply
    58,513.55x = 87,700.11 × 33,570.82
  4. Step 4: Simplify right side
    58,513.55x = 2,944,164,606.79
  5. Step 5: Solve for x
    x = 2,944,164,606.79/58,513.55
  6. Step 6: Final answer
    x = 50,315.95

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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.