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Finding the Fourth Proportional to 56,656.80, 84,912.30 and 27,010.80

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Solution

The fourth proportional to 56,656.80, 84,912.30 and 27,010.80 is: 40,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,656.80 : 84,912.30 = 27,010.80 : x
  2. Step 2: Convert to fraction form
    56,656.80/84,912.30 = 27,010.80/x
  3. Step 3: Cross multiply
    56,656.80x = 84,912.30 × 27,010.80
  4. Step 4: Simplify right side
    56,656.80x = 2,293,549,152.84
  5. Step 5: Solve for x
    x = 2,293,549,152.84/56,656.80
  6. Step 6: Final answer
    x = 40,481.45

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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.