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Finding the Fourth Proportional to 57,002.72, 85,504.72 and 17,559.52

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Solution

The fourth proportional to 57,002.72, 85,504.72 and 17,559.52 is: 26,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,002.72 : 85,504.72 = 17,559.52 : x
  2. Step 2: Convert to fraction form
    57,002.72/85,504.72 = 17,559.52/x
  3. Step 3: Cross multiply
    57,002.72x = 85,504.72 × 17,559.52
  4. Step 4: Simplify right side
    57,002.72x = 1,501,421,840.93
  5. Step 5: Solve for x
    x = 1,501,421,840.93/57,002.72
  6. Step 6: Final answer
    x = 26,339.48

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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.