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Finding the Fourth Proportional to 19,671.59, 29,502.83 and 5,629.01

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Solution

The fourth proportional to 19,671.59, 29,502.83 and 5,629.01 is: 8,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.59 : 29,502.83 = 5,629.01 : x
  2. Step 2: Convert to fraction form
    19,671.59/29,502.83 = 5,629.01/x
  3. Step 3: Cross multiply
    19,671.59x = 29,502.83 × 5,629.01
  4. Step 4: Simplify right side
    19,671.59x = 166,071,549.44
  5. Step 5: Solve for x
    x = 166,071,549.44/19,671.59
  6. Step 6: Final answer
    x = 8,442.20

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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.