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Finding the Fourth Proportional to 29,495, 40,703.10 and 16,247

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Solution

The fourth proportional to 29,495, 40,703.10 and 16,247 is: 22,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,495 : 40,703.10 = 16,247 : x
  2. Step 2: Convert to fraction form
    29,495/40,703.10 = 16,247/x
  3. Step 3: Cross multiply
    29,495x = 40,703.10 × 16,247
  4. Step 4: Simplify right side
    29,495x = 661,303,265.70
  5. Step 5: Solve for x
    x = 661,303,265.70/29,495
  6. Step 6: Final answer
    x = 22,420.86

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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.