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Finding the Fourth Proportional to 29,043.42, 40,079.93 and 16,468.17

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Solution

The fourth proportional to 29,043.42, 40,079.93 and 16,468.17 is: 22,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.42 : 40,079.93 = 16,468.17 : x
  2. Step 2: Convert to fraction form
    29,043.42/40,079.93 = 16,468.17/x
  3. Step 3: Cross multiply
    29,043.42x = 40,079.93 × 16,468.17
  4. Step 4: Simplify right side
    29,043.42x = 660,043,018.49
  5. Step 5: Solve for x
    x = 660,043,018.49/29,043.42
  6. Step 6: Final answer
    x = 22,726.08

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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.