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Finding the Fourth Proportional to 29,455.88, 40,648.62 and 16,026.78

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Solution

The fourth proportional to 29,455.88, 40,648.62 and 16,026.78 is: 22,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,455.88 : 40,648.62 = 16,026.78 : x
  2. Step 2: Convert to fraction form
    29,455.88/40,648.62 = 16,026.78/x
  3. Step 3: Cross multiply
    29,455.88x = 40,648.62 × 16,026.78
  4. Step 4: Simplify right side
    29,455.88x = 651,466,490.04
  5. Step 5: Solve for x
    x = 651,466,490.04/29,455.88
  6. Step 6: Final answer
    x = 22,116.69

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1.5x scale

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.