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Finding the Fourth Proportional to 25,858.58, 35,701.18 and 17,897.90

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Solution

The fourth proportional to 25,858.58, 35,701.18 and 17,897.90 is: 24,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,858.58 : 35,701.18 = 17,897.90 : x
  2. Step 2: Convert to fraction form
    25,858.58/35,701.18 = 17,897.90/x
  3. Step 3: Cross multiply
    25,858.58x = 35,701.18 × 17,897.90
  4. Step 4: Simplify right side
    25,858.58x = 638,976,149.52
  5. Step 5: Solve for x
    x = 638,976,149.52/25,858.58
  6. Step 6: Final answer
    x = 24,710.41

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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.