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Finding the Fourth Proportional to 22,104.59, 30,492.92 and 13,706.51

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Solution

The fourth proportional to 22,104.59, 30,492.92 and 13,706.51 is: 18,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,104.59 : 30,492.92 = 13,706.51 : x
  2. Step 2: Convert to fraction form
    22,104.59/30,492.92 = 13,706.51/x
  3. Step 3: Cross multiply
    22,104.59x = 30,492.92 × 13,706.51
  4. Step 4: Simplify right side
    22,104.59x = 417,951,394.71
  5. Step 5: Solve for x
    x = 417,951,394.71/22,104.59
  6. Step 6: Final answer
    x = 18,907.91

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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.