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Finding the Fourth Proportional to 33,320.13, 49,980.20 and 8,696.13

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Solution

The fourth proportional to 33,320.13, 49,980.20 and 8,696.13 is: 13,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320.13 : 49,980.20 = 8,696.13 : x
  2. Step 2: Convert to fraction form
    33,320.13/49,980.20 = 8,696.13/x
  3. Step 3: Cross multiply
    33,320.13x = 49,980.20 × 8,696.13
  4. Step 4: Simplify right side
    33,320.13x = 434,634,316.63
  5. Step 5: Solve for x
    x = 434,634,316.63/33,320.13
  6. Step 6: Final answer
    x = 13,044.20

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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.