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Finding the Fourth Proportional to 22,894.68, 31,595.36 and 12,823.10

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Solution

The fourth proportional to 22,894.68, 31,595.36 and 12,823.10 is: 17,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,894.68 : 31,595.36 = 12,823.10 : x
  2. Step 2: Convert to fraction form
    22,894.68/31,595.36 = 12,823.10/x
  3. Step 3: Cross multiply
    22,894.68x = 31,595.36 × 12,823.10
  4. Step 4: Simplify right side
    22,894.68x = 405,150,460.82
  5. Step 5: Solve for x
    x = 405,150,460.82/22,894.68
  6. Step 6: Final answer
    x = 17,696.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.