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Finding the Fourth Proportional to 68,595.86, 94,535.97 and 56,586.26

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Solution

The fourth proportional to 68,595.86, 94,535.97 and 56,586.26 is: 77,984.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,595.86 : 94,535.97 = 56,586.26 : x
  2. Step 2: Convert to fraction form
    68,595.86/94,535.97 = 56,586.26/x
  3. Step 3: Cross multiply
    68,595.86x = 94,535.97 × 56,586.26
  4. Step 4: Simplify right side
    68,595.86x = 5,349,436,977.77
  5. Step 5: Solve for x
    x = 5,349,436,977.77/68,595.86
  6. Step 6: Final answer
    x = 77,984.84

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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.