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Finding the Fourth Proportional to 61,894, 92,826.06 and 28,582.04

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Solution

The fourth proportional to 61,894, 92,826.06 and 28,582.04 is: 42,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,894 : 92,826.06 = 28,582.04 : x
  2. Step 2: Convert to fraction form
    61,894/92,826.06 = 28,582.04/x
  3. Step 3: Cross multiply
    61,894x = 92,826.06 × 28,582.04
  4. Step 4: Simplify right side
    61,894x = 2,653,158,159.96
  5. Step 5: Solve for x
    x = 2,653,158,159.96/61,894
  6. Step 6: Final answer
    x = 42,866.16

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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.