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Finding the Fourth Proportional to 19,641.99, 29,463.25 and 5,602.02

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Solution

The fourth proportional to 19,641.99, 29,463.25 and 5,602.02 is: 8,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.99 : 29,463.25 = 5,602.02 : x
  2. Step 2: Convert to fraction form
    19,641.99/29,463.25 = 5,602.02/x
  3. Step 3: Cross multiply
    19,641.99x = 29,463.25 × 5,602.02
  4. Step 4: Simplify right side
    19,641.99x = 165,053,715.77
  5. Step 5: Solve for x
    x = 165,053,715.77/19,641.99
  6. Step 6: Final answer
    x = 8,403.11

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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.