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Finding the Fourth Proportional to 29,477.52, 40,678.02 and 16,731.72

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Solution

The fourth proportional to 29,477.52, 40,678.02 and 16,731.72 is: 23,089.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,477.52 : 40,678.02 = 16,731.72 : x
  2. Step 2: Convert to fraction form
    29,477.52/40,678.02 = 16,731.72/x
  3. Step 3: Cross multiply
    29,477.52x = 40,678.02 × 16,731.72
  4. Step 4: Simplify right side
    29,477.52x = 680,613,240.79
  5. Step 5: Solve for x
    x = 680,613,240.79/29,477.52
  6. Step 6: Final answer
    x = 23,089.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.