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Finding the Fourth Proportional to 61,894.92, 92,827.41 and 28,582.95

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Solution

The fourth proportional to 61,894.92, 92,827.41 and 28,582.95 is: 42,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,894.92 : 92,827.41 = 28,582.95 : x
  2. Step 2: Convert to fraction form
    61,894.92/92,827.41 = 28,582.95/x
  3. Step 3: Cross multiply
    61,894.92x = 92,827.41 × 28,582.95
  4. Step 4: Simplify right side
    61,894.92x = 2,653,281,218.66
  5. Step 5: Solve for x
    x = 2,653,281,218.66/61,894.92
  6. Step 6: Final answer
    x = 42,867.51

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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.