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Finding the Fourth Proportional to 12,798.35, 17,662.07 and 7,493.39

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Solution

The fourth proportional to 12,798.35, 17,662.07 and 7,493.39 is: 10,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.35 : 17,662.07 = 7,493.39 : x
  2. Step 2: Convert to fraction form
    12,798.35/17,662.07 = 7,493.39/x
  3. Step 3: Cross multiply
    12,798.35x = 17,662.07 × 7,493.39
  4. Step 4: Simplify right side
    12,798.35x = 132,348,709.14
  5. Step 5: Solve for x
    x = 132,348,709.14/12,798.35
  6. Step 6: Final answer
    x = 10,341.08

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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.