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Finding the Fourth Proportional to 17,854.63, 26,784.78 and 6,168.76

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Solution

The fourth proportional to 17,854.63, 26,784.78 and 6,168.76 is: 9,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,854.63 : 26,784.78 = 6,168.76 : x
  2. Step 2: Convert to fraction form
    17,854.63/26,784.78 = 6,168.76/x
  3. Step 3: Cross multiply
    17,854.63x = 26,784.78 × 6,168.76
  4. Step 4: Simplify right side
    17,854.63x = 165,228,879.47
  5. Step 5: Solve for x
    x = 165,228,879.47/17,854.63
  6. Step 6: Final answer
    x = 9,254.12

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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.