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Finding the Fourth Proportional to 63,389.61, 87,497.10 and 36,549.99

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Solution

The fourth proportional to 63,389.61, 87,497.10 and 36,549.99 is: 50,450.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,389.61 : 87,497.10 = 36,549.99 : x
  2. Step 2: Convert to fraction form
    63,389.61/87,497.10 = 36,549.99/x
  3. Step 3: Cross multiply
    63,389.61x = 87,497.10 × 36,549.99
  4. Step 4: Simplify right side
    63,389.61x = 3,198,018,130.03
  5. Step 5: Solve for x
    x = 3,198,018,130.03/63,389.61
  6. Step 6: Final answer
    x = 50,450.19

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Why These Related Problems?

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