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Finding the Fourth Proportional to 30,904.61, 46,356.03 and 8,717.49

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Solution

The fourth proportional to 30,904.61, 46,356.03 and 8,717.49 is: 13,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.61 : 46,356.03 = 8,717.49 : x
  2. Step 2: Convert to fraction form
    30,904.61/46,356.03 = 8,717.49/x
  3. Step 3: Cross multiply
    30,904.61x = 46,356.03 × 8,717.49
  4. Step 4: Simplify right side
    30,904.61x = 404,108,227.96
  5. Step 5: Solve for x
    x = 404,108,227.96/30,904.61
  6. Step 6: Final answer
    x = 13,075.99

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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.