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Finding the Fourth Proportional to 52,785.84, 79,187.48 and 25,074.48

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Solution

The fourth proportional to 52,785.84, 79,187.48 and 25,074.48 is: 37,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785.84 : 79,187.48 = 25,074.48 : x
  2. Step 2: Convert to fraction form
    52,785.84/79,187.48 = 25,074.48/x
  3. Step 3: Cross multiply
    52,785.84x = 79,187.48 × 25,074.48
  4. Step 4: Simplify right side
    52,785.84x = 1,985,584,883.51
  5. Step 5: Solve for x
    x = 1,985,584,883.51/52,785.84
  6. Step 6: Final answer
    x = 37,615.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.