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Finding the Fourth Proportional to 57,152.44, 85,697.34 and 17,698.60

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Solution

The fourth proportional to 57,152.44, 85,697.34 and 17,698.60 is: 26,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,152.44 : 85,697.34 = 17,698.60 : x
  2. Step 2: Convert to fraction form
    57,152.44/85,697.34 = 17,698.60/x
  3. Step 3: Cross multiply
    57,152.44x = 85,697.34 × 17,698.60
  4. Step 4: Simplify right side
    57,152.44x = 1,516,722,941.72
  5. Step 5: Solve for x
    x = 1,516,722,941.72/57,152.44
  6. Step 6: Final answer
    x = 26,538.20

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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.