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Finding the Fourth Proportional to 56,805.57, 78,395.04 and 32,940.54

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Solution

The fourth proportional to 56,805.57, 78,395.04 and 32,940.54 is: 45,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,805.57 : 78,395.04 = 32,940.54 : x
  2. Step 2: Convert to fraction form
    56,805.57/78,395.04 = 32,940.54/x
  3. Step 3: Cross multiply
    56,805.57x = 78,395.04 × 32,940.54
  4. Step 4: Simplify right side
    56,805.57x = 2,582,374,950.92
  5. Step 5: Solve for x
    x = 2,582,374,950.92/56,805.57
  6. Step 6: Final answer
    x = 45,459.89

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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.