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Finding the Fourth Proportional to 29,623.72, 40,881.72 and 16,194.68

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Solution

The fourth proportional to 29,623.72, 40,881.72 and 16,194.68 is: 22,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,623.72 : 40,881.72 = 16,194.68 : x
  2. Step 2: Convert to fraction form
    29,623.72/40,881.72 = 16,194.68/x
  3. Step 3: Cross multiply
    29,623.72x = 40,881.72 × 16,194.68
  4. Step 4: Simplify right side
    29,623.72x = 662,066,373.25
  5. Step 5: Solve for x
    x = 662,066,373.25/29,623.72
  6. Step 6: Final answer
    x = 22,349.20

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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.