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Finding the Fourth Proportional to 8,892.84, 13,332.10 and 6,111.26

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Solution

The fourth proportional to 8,892.84, 13,332.10 and 6,111.26 is: 9,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.84 : 13,332.10 = 6,111.26 : x
  2. Step 2: Convert to fraction form
    8,892.84/13,332.10 = 6,111.26/x
  3. Step 3: Cross multiply
    8,892.84x = 13,332.10 × 6,111.26
  4. Step 4: Simplify right side
    8,892.84x = 81,475,929.45
  5. Step 5: Solve for x
    x = 81,475,929.45/8,892.84
  6. Step 6: Final answer
    x = 9,161.97

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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.