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Finding the Fourth Proportional to 56,493.60, 84,740.40 and 23,191.80

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Solution

The fourth proportional to 56,493.60, 84,740.40 and 23,191.80 is: 34,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,493.60 : 84,740.40 = 23,191.80 : x
  2. Step 2: Convert to fraction form
    56,493.60/84,740.40 = 23,191.80/x
  3. Step 3: Cross multiply
    56,493.60x = 84,740.40 × 23,191.80
  4. Step 4: Simplify right side
    56,493.60x = 1,965,282,408.72
  5. Step 5: Solve for x
    x = 1,965,282,408.72/56,493.60
  6. Step 6: Final answer
    x = 34,787.70

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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.