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Finding the Fourth Proportional to 52,878.66, 79,292.68 and 30,698.16

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Solution

The fourth proportional to 52,878.66, 79,292.68 and 30,698.16 is: 46,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,878.66 : 79,292.68 = 30,698.16 : x
  2. Step 2: Convert to fraction form
    52,878.66/79,292.68 = 30,698.16/x
  3. Step 3: Cross multiply
    52,878.66x = 79,292.68 × 30,698.16
  4. Step 4: Simplify right side
    52,878.66x = 2,434,139,377.47
  5. Step 5: Solve for x
    x = 2,434,139,377.47/52,878.66
  6. Step 6: Final answer
    x = 46,032.55

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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.