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Finding the Fourth Proportional to 17,929.04, 26,887.04 and 6,838.80

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Solution

The fourth proportional to 17,929.04, 26,887.04 and 6,838.80 is: 10,255.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,929.04 : 26,887.04 = 6,838.80 : x
  2. Step 2: Convert to fraction form
    17,929.04/26,887.04 = 6,838.80/x
  3. Step 3: Cross multiply
    17,929.04x = 26,887.04 × 6,838.80
  4. Step 4: Simplify right side
    17,929.04x = 183,875,089.15
  5. Step 5: Solve for x
    x = 183,875,089.15/17,929.04
  6. Step 6: Final answer
    x = 10,255.71

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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.