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Finding the Fourth Proportional to 18,842.29, 26,001.05 and 10,458.13

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Solution

The fourth proportional to 18,842.29, 26,001.05 and 10,458.13 is: 14,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.29 : 26,001.05 = 10,458.13 : x
  2. Step 2: Convert to fraction form
    18,842.29/26,001.05 = 10,458.13/x
  3. Step 3: Cross multiply
    18,842.29x = 26,001.05 × 10,458.13
  4. Step 4: Simplify right side
    18,842.29x = 271,922,257.18
  5. Step 5: Solve for x
    x = 271,922,257.18/18,842.29
  6. Step 6: Final answer
    x = 14,431.49

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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.