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Finding the Fourth Proportional to 57,291.72, 85,941.72 and 23,978.27

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Solution

The fourth proportional to 57,291.72, 85,941.72 and 23,978.27 is: 35,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,291.72 : 85,941.72 = 23,978.27 : x
  2. Step 2: Convert to fraction form
    57,291.72/85,941.72 = 23,978.27/x
  3. Step 3: Cross multiply
    57,291.72x = 85,941.72 × 23,978.27
  4. Step 4: Simplify right side
    57,291.72x = 2,060,733,766.42
  5. Step 5: Solve for x
    x = 2,060,733,766.42/57,291.72
  6. Step 6: Final answer
    x = 35,969.14

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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.