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Finding the Fourth Proportional to 56,885.93, 85,259.70 and 40,250.76

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Solution

The fourth proportional to 56,885.93, 85,259.70 and 40,250.76 is: 60,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,885.93 : 85,259.70 = 40,250.76 : x
  2. Step 2: Convert to fraction form
    56,885.93/85,259.70 = 40,250.76/x
  3. Step 3: Cross multiply
    56,885.93x = 85,259.70 × 40,250.76
  4. Step 4: Simplify right side
    56,885.93x = 3,431,767,722.37
  5. Step 5: Solve for x
    x = 3,431,767,722.37/56,885.93
  6. Step 6: Final answer
    x = 60,327.19

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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.