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Finding the Fourth Proportional to 8,712.86, 13,068.27 and 2,473.43

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Solution

The fourth proportional to 8,712.86, 13,068.27 and 2,473.43 is: 3,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.86 : 13,068.27 = 2,473.43 : x
  2. Step 2: Convert to fraction form
    8,712.86/13,068.27 = 2,473.43/x
  3. Step 3: Cross multiply
    8,712.86x = 13,068.27 × 2,473.43
  4. Step 4: Simplify right side
    8,712.86x = 32,323,385.72
  5. Step 5: Solve for x
    x = 32,323,385.72/8,712.86
  6. Step 6: Final answer
    x = 3,709.85

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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.