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Finding the Fourth Proportional to 17,712.73, 26,569.11 and 9,820.09

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Solution

The fourth proportional to 17,712.73, 26,569.11 and 9,820.09 is: 14,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712.73 : 26,569.11 = 9,820.09 : x
  2. Step 2: Convert to fraction form
    17,712.73/26,569.11 = 9,820.09/x
  3. Step 3: Cross multiply
    17,712.73x = 26,569.11 × 9,820.09
  4. Step 4: Simplify right side
    17,712.73x = 260,911,002.32
  5. Step 5: Solve for x
    x = 260,911,002.32/17,712.73
  6. Step 6: Final answer
    x = 14,730.14

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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.