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Finding the Fourth Proportional to 12,483.84, 17,227.80 and 6,894.84

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Solution

The fourth proportional to 12,483.84, 17,227.80 and 6,894.84 is: 9,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.84 : 17,227.80 = 6,894.84 : x
  2. Step 2: Convert to fraction form
    12,483.84/17,227.80 = 6,894.84/x
  3. Step 3: Cross multiply
    12,483.84x = 17,227.80 × 6,894.84
  4. Step 4: Simplify right side
    12,483.84x = 118,782,924.55
  5. Step 5: Solve for x
    x = 118,782,924.55/12,483.84
  6. Step 6: Final answer
    x = 9,514.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.