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Finding the Fourth Proportional to 61,886.62, 85,411.83 and 36,737.74

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Solution

The fourth proportional to 61,886.62, 85,411.83 and 36,737.74 is: 50,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,886.62 : 85,411.83 = 36,737.74 : x
  2. Step 2: Convert to fraction form
    61,886.62/85,411.83 = 36,737.74/x
  3. Step 3: Cross multiply
    61,886.62x = 85,411.83 × 36,737.74
  4. Step 4: Simplify right side
    61,886.62x = 3,137,837,603.46
  5. Step 5: Solve for x
    x = 3,137,837,603.46/61,886.62
  6. Step 6: Final answer
    x = 50,703.01

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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.