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Finding the Fourth Proportional to 57,312.41, 85,847.40 and 36,241.58

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Solution

The fourth proportional to 57,312.41, 85,847.40 and 36,241.58 is: 54,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312.41 : 85,847.40 = 36,241.58 : x
  2. Step 2: Convert to fraction form
    57,312.41/85,847.40 = 36,241.58/x
  3. Step 3: Cross multiply
    57,312.41x = 85,847.40 × 36,241.58
  4. Step 4: Simplify right side
    57,312.41x = 3,111,244,985.66
  5. Step 5: Solve for x
    x = 3,111,244,985.66/57,312.41
  6. Step 6: Final answer
    x = 54,285.72

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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.