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Finding the Fourth Proportional to 8,492.01, 12,737.67 and 4,331.93

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Solution

The fourth proportional to 8,492.01, 12,737.67 and 4,331.93 is: 6,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.01 : 12,737.67 = 4,331.93 : x
  2. Step 2: Convert to fraction form
    8,492.01/12,737.67 = 4,331.93/x
  3. Step 3: Cross multiply
    8,492.01x = 12,737.67 × 4,331.93
  4. Step 4: Simplify right side
    8,492.01x = 55,178,631.11
  5. Step 5: Solve for x
    x = 55,178,631.11/8,492.01
  6. Step 6: Final answer
    x = 6,497.71

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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.