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Finding the Fourth Proportional to 33,171.19, 49,756.78 and 8,547.19

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Solution

The fourth proportional to 33,171.19, 49,756.78 and 8,547.19 is: 12,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,171.19 : 49,756.78 = 8,547.19 : x
  2. Step 2: Convert to fraction form
    33,171.19/49,756.78 = 8,547.19/x
  3. Step 3: Cross multiply
    33,171.19x = 49,756.78 × 8,547.19
  4. Step 4: Simplify right side
    33,171.19x = 425,280,538.74
  5. Step 5: Solve for x
    x = 425,280,538.74/33,171.19
  6. Step 6: Final answer
    x = 12,820.78

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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.