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Finding the Fourth Proportional to 33,312.26, 49,968.40 and 8,688.26

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Solution

The fourth proportional to 33,312.26, 49,968.40 and 8,688.26 is: 13,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,312.26 : 49,968.40 = 8,688.26 : x
  2. Step 2: Convert to fraction form
    33,312.26/49,968.40 = 8,688.26/x
  3. Step 3: Cross multiply
    33,312.26x = 49,968.40 × 8,688.26
  4. Step 4: Simplify right side
    33,312.26x = 434,138,450.98
  5. Step 5: Solve for x
    x = 434,138,450.98/33,312.26
  6. Step 6: Final answer
    x = 13,032.39

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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.