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Finding the Fourth Proportional to 29,133.15, 43,700.64 and 9,411.89

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Solution

The fourth proportional to 29,133.15, 43,700.64 and 9,411.89 is: 14,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,133.15 : 43,700.64 = 9,411.89 : x
  2. Step 2: Convert to fraction form
    29,133.15/43,700.64 = 9,411.89/x
  3. Step 3: Cross multiply
    29,133.15x = 43,700.64 × 9,411.89
  4. Step 4: Simplify right side
    29,133.15x = 411,305,398.11
  5. Step 5: Solve for x
    x = 411,305,398.11/29,133.15
  6. Step 6: Final answer
    x = 14,118.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.