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Finding the Fourth Proportional to 33,139.44, 49,699.44 and 9,762.84

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Solution

The fourth proportional to 33,139.44, 49,699.44 and 9,762.84 is: 14,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.44 : 49,699.44 = 9,762.84 : x
  2. Step 2: Convert to fraction form
    33,139.44/49,699.44 = 9,762.84/x
  3. Step 3: Cross multiply
    33,139.44x = 49,699.44 × 9,762.84
  4. Step 4: Simplify right side
    33,139.44x = 485,207,680.81
  5. Step 5: Solve for x
    x = 485,207,680.81/33,139.44
  6. Step 6: Final answer
    x = 14,641.40

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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.