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Finding the Fourth Proportional to 21,363.95, 32,045.02 and 6,574.37

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Solution

The fourth proportional to 21,363.95, 32,045.02 and 6,574.37 is: 9,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,363.95 : 32,045.02 = 6,574.37 : x
  2. Step 2: Convert to fraction form
    21,363.95/32,045.02 = 6,574.37/x
  3. Step 3: Cross multiply
    21,363.95x = 32,045.02 × 6,574.37
  4. Step 4: Simplify right side
    21,363.95x = 210,675,641.48
  5. Step 5: Solve for x
    x = 210,675,641.48/21,363.95
  6. Step 6: Final answer
    x = 9,861.27

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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.