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Finding the Fourth Proportional to 34,897.88, 48,159.68 and 18,982.59

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Solution

The fourth proportional to 34,897.88, 48,159.68 and 18,982.59 is: 26,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,897.88 : 48,159.68 = 18,982.59 : x
  2. Step 2: Convert to fraction form
    34,897.88/48,159.68 = 18,982.59/x
  3. Step 3: Cross multiply
    34,897.88x = 48,159.68 × 18,982.59
  4. Step 4: Simplify right side
    34,897.88x = 914,195,365.06
  5. Step 5: Solve for x
    x = 914,195,365.06/34,897.88
  6. Step 6: Final answer
    x = 26,196.30

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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.