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Finding the Fourth Proportional to 30,901.98, 46,354.80 and 8,717.24

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Solution

The fourth proportional to 30,901.98, 46,354.80 and 8,717.24 is: 13,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,901.98 : 46,354.80 = 8,717.24 : x
  2. Step 2: Convert to fraction form
    30,901.98/46,354.80 = 8,717.24/x
  3. Step 3: Cross multiply
    30,901.98x = 46,354.80 × 8,717.24
  4. Step 4: Simplify right side
    30,901.98x = 404,085,916.75
  5. Step 5: Solve for x
    x = 404,085,916.75/30,901.98
  6. Step 6: Final answer
    x = 13,076.38

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1.5x scale

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.