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Finding the Fourth Proportional to 18,842.58, 26,006.63 and 10,883.70

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Solution

The fourth proportional to 18,842.58, 26,006.63 and 10,883.70 is: 15,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.58 : 26,006.63 = 10,883.70 : x
  2. Step 2: Convert to fraction form
    18,842.58/26,006.63 = 10,883.70/x
  3. Step 3: Cross multiply
    18,842.58x = 26,006.63 × 10,883.70
  4. Step 4: Simplify right side
    18,842.58x = 283,048,304.51
  5. Step 5: Solve for x
    x = 283,048,304.51/18,842.58
  6. Step 6: Final answer
    x = 15,021.74

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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.