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Finding the Fourth Proportional to 56,967.56, 85,259.10 and 40,657.48

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Solution

The fourth proportional to 56,967.56, 85,259.10 and 40,657.48 is: 60,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,967.56 : 85,259.10 = 40,657.48 : x
  2. Step 2: Convert to fraction form
    56,967.56/85,259.10 = 40,657.48/x
  3. Step 3: Cross multiply
    56,967.56x = 85,259.10 × 40,657.48
  4. Step 4: Simplify right side
    56,967.56x = 3,466,420,153.07
  5. Step 5: Solve for x
    x = 3,466,420,153.07/56,967.56
  6. Step 6: Final answer
    x = 60,849.02

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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.