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Finding the Fourth Proportional to 57,100.40, 85,650.60 and 48,352.40

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Solution

The fourth proportional to 57,100.40, 85,650.60 and 48,352.40 is: 72,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,100.40 : 85,650.60 = 48,352.40 : x
  2. Step 2: Convert to fraction form
    57,100.40/85,650.60 = 48,352.40/x
  3. Step 3: Cross multiply
    57,100.40x = 85,650.60 × 48,352.40
  4. Step 4: Simplify right side
    57,100.40x = 4,141,412,071.44
  5. Step 5: Solve for x
    x = 4,141,412,071.44/57,100.40
  6. Step 6: Final answer
    x = 72,528.60

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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.