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Finding the Fourth Proportional to 29,455.50, 40,648.50 and 16,026.66

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Solution

The fourth proportional to 29,455.50, 40,648.50 and 16,026.66 is: 22,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,455.50 : 40,648.50 = 16,026.66 : x
  2. Step 2: Convert to fraction form
    29,455.50/40,648.50 = 16,026.66/x
  3. Step 3: Cross multiply
    29,455.50x = 40,648.50 × 16,026.66
  4. Step 4: Simplify right side
    29,455.50x = 651,459,689.01
  5. Step 5: Solve for x
    x = 651,459,689.01/29,455.50
  6. Step 6: Final answer
    x = 22,116.74

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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.