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Finding the Fourth Proportional to 29,005.17, 40,027.95 and 16,429.92

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Solution

The fourth proportional to 29,005.17, 40,027.95 and 16,429.92 is: 22,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005.17 : 40,027.95 = 16,429.92 : x
  2. Step 2: Convert to fraction form
    29,005.17/40,027.95 = 16,429.92/x
  3. Step 3: Cross multiply
    29,005.17x = 40,027.95 × 16,429.92
  4. Step 4: Simplify right side
    29,005.17x = 657,656,016.26
  5. Step 5: Solve for x
    x = 657,656,016.26/29,005.17
  6. Step 6: Final answer
    x = 22,673.75

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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.