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Finding the Fourth Proportional to 56,997.60, 85,496.40 and 36,002.40

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Solution

The fourth proportional to 56,997.60, 85,496.40 and 36,002.40 is: 54,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,997.60 : 85,496.40 = 36,002.40 : x
  2. Step 2: Convert to fraction form
    56,997.60/85,496.40 = 36,002.40/x
  3. Step 3: Cross multiply
    56,997.60x = 85,496.40 × 36,002.40
  4. Step 4: Simplify right side
    56,997.60x = 3,078,075,591.36
  5. Step 5: Solve for x
    x = 3,078,075,591.36/56,997.60
  6. Step 6: Final answer
    x = 54,003.60

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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.