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Finding the Fourth Proportional to 58,370.84, 87,072.60 and 56,650.12

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Solution

The fourth proportional to 58,370.84, 87,072.60 and 56,650.12 is: 84,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,370.84 : 87,072.60 = 56,650.12 : x
  2. Step 2: Convert to fraction form
    58,370.84/87,072.60 = 56,650.12/x
  3. Step 3: Cross multiply
    58,370.84x = 87,072.60 × 56,650.12
  4. Step 4: Simplify right side
    58,370.84x = 4,932,673,238.71
  5. Step 5: Solve for x
    x = 4,932,673,238.71/58,370.84
  6. Step 6: Final answer
    x = 84,505.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.