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Finding the Fourth Proportional to 29,005.61, 40,027.86 and 16,913.25

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Solution

The fourth proportional to 29,005.61, 40,027.86 and 16,913.25 is: 23,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005.61 : 40,027.86 = 16,913.25 : x
  2. Step 2: Convert to fraction form
    29,005.61/40,027.86 = 16,913.25/x
  3. Step 3: Cross multiply
    29,005.61x = 40,027.86 × 16,913.25
  4. Step 4: Simplify right side
    29,005.61x = 677,001,203.15
  5. Step 5: Solve for x
    x = 677,001,203.15/29,005.61
  6. Step 6: Final answer
    x = 23,340.36

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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.