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Finding the Fourth Proportional to 29,493.58, 40,699.90 and 16,064.76

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Solution

The fourth proportional to 29,493.58, 40,699.90 and 16,064.76 is: 22,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,493.58 : 40,699.90 = 16,064.76 : x
  2. Step 2: Convert to fraction form
    29,493.58/40,699.90 = 16,064.76/x
  3. Step 3: Cross multiply
    29,493.58x = 40,699.90 × 16,064.76
  4. Step 4: Simplify right side
    29,493.58x = 653,834,125.52
  5. Step 5: Solve for x
    x = 653,834,125.52/29,493.58
  6. Step 6: Final answer
    x = 22,168.69

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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.