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Finding the Fourth Proportional to 26,425.71, 36,442.71 and 21,065.92

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Solution

The fourth proportional to 26,425.71, 36,442.71 and 21,065.92 is: 29,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,425.71 : 36,442.71 = 21,065.92 : x
  2. Step 2: Convert to fraction form
    26,425.71/36,442.71 = 21,065.92/x
  3. Step 3: Cross multiply
    26,425.71x = 36,442.71 × 21,065.92
  4. Step 4: Simplify right side
    26,425.71x = 767,699,327.33
  5. Step 5: Solve for x
    x = 767,699,327.33/26,425.71
  6. Step 6: Final answer
    x = 29,051.23

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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.