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Finding the Fourth Proportional to 8,796.84, 13,204.14 and 7,802.70

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Solution

The fourth proportional to 8,796.84, 13,204.14 and 7,802.70 is: 11,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.84 : 13,204.14 = 7,802.70 : x
  2. Step 2: Convert to fraction form
    8,796.84/13,204.14 = 7,802.70/x
  3. Step 3: Cross multiply
    8,796.84x = 13,204.14 × 7,802.70
  4. Step 4: Simplify right side
    8,796.84x = 103,027,943.18
  5. Step 5: Solve for x
    x = 103,027,943.18/8,796.84
  6. Step 6: Final answer
    x = 11,711.93

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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.