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Finding the Fourth Proportional to 56,753.54, 85,205.55 and 48,486.68

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Solution

The fourth proportional to 56,753.54, 85,205.55 and 48,486.68 is: 72,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753.54 : 85,205.55 = 48,486.68 : x
  2. Step 2: Convert to fraction form
    56,753.54/85,205.55 = 48,486.68/x
  3. Step 3: Cross multiply
    56,753.54x = 85,205.55 × 48,486.68
  4. Step 4: Simplify right side
    56,753.54x = 4,131,334,237.07
  5. Step 5: Solve for x
    x = 4,131,334,237.07/56,753.54
  6. Step 6: Final answer
    x = 72,794.30

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1.5x scale

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.