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Finding the Fourth Proportional to 29,492.79, 40,699.49 and 16,063.89

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Solution

The fourth proportional to 29,492.79, 40,699.49 and 16,063.89 is: 22,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,492.79 : 40,699.49 = 16,063.89 : x
  2. Step 2: Convert to fraction form
    29,492.79/40,699.49 = 16,063.89/x
  3. Step 3: Cross multiply
    29,492.79x = 40,699.49 × 16,063.89
  4. Step 4: Simplify right side
    29,492.79x = 653,792,050.10
  5. Step 5: Solve for x
    x = 653,792,050.10/29,492.79
  6. Step 6: Final answer
    x = 22,167.86

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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.