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Finding the Fourth Proportional to 57,897.58, 79,873.30 and 34,013.48

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Solution

The fourth proportional to 57,897.58, 79,873.30 and 34,013.48 is: 46,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,897.58 : 79,873.30 = 34,013.48 : x
  2. Step 2: Convert to fraction form
    57,897.58/79,873.30 = 34,013.48/x
  3. Step 3: Cross multiply
    57,897.58x = 79,873.30 × 34,013.48
  4. Step 4: Simplify right side
    57,897.58x = 2,716,768,892.08
  5. Step 5: Solve for x
    x = 2,716,768,892.08/57,897.58
  6. Step 6: Final answer
    x = 46,923.70

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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.