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Finding the Fourth Proportional to 17,555.52, 26,325.72 and 7,023.72

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Solution

The fourth proportional to 17,555.52, 26,325.72 and 7,023.72 is: 10,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,555.52 : 26,325.72 = 7,023.72 : x
  2. Step 2: Convert to fraction form
    17,555.52/26,325.72 = 7,023.72/x
  3. Step 3: Cross multiply
    17,555.52x = 26,325.72 × 7,023.72
  4. Step 4: Simplify right side
    17,555.52x = 184,904,486.08
  5. Step 5: Solve for x
    x = 184,904,486.08/17,555.52
  6. Step 6: Final answer
    x = 10,532.56

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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.