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Finding the Fourth Proportional to 56,934.40, 85,401.60 and 36,249.60

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Solution

The fourth proportional to 56,934.40, 85,401.60 and 36,249.60 is: 54,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,934.40 : 85,401.60 = 36,249.60 : x
  2. Step 2: Convert to fraction form
    56,934.40/85,401.60 = 36,249.60/x
  3. Step 3: Cross multiply
    56,934.40x = 85,401.60 × 36,249.60
  4. Step 4: Simplify right side
    56,934.40x = 3,095,773,839.36
  5. Step 5: Solve for x
    x = 3,095,773,839.36/56,934.40
  6. Step 6: Final answer
    x = 54,374.40

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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.