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Finding the Fourth Proportional to 29,606.58, 40,857.62 and 16,178.40

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Solution

The fourth proportional to 29,606.58, 40,857.62 and 16,178.40 is: 22,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,606.58 : 40,857.62 = 16,178.40 : x
  2. Step 2: Convert to fraction form
    29,606.58/40,857.62 = 16,178.40/x
  3. Step 3: Cross multiply
    29,606.58x = 40,857.62 × 16,178.40
  4. Step 4: Simplify right side
    29,606.58x = 661,010,838.52
  5. Step 5: Solve for x
    x = 661,010,838.52/29,606.58
  6. Step 6: Final answer
    x = 22,326.48

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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.