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Finding the Fourth Proportional to 19,625.67, 27,035.10 and 18,625.32

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Solution

The fourth proportional to 19,625.67, 27,035.10 and 18,625.32 is: 25,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.67 : 27,035.10 = 18,625.32 : x
  2. Step 2: Convert to fraction form
    19,625.67/27,035.10 = 18,625.32/x
  3. Step 3: Cross multiply
    19,625.67x = 27,035.10 × 18,625.32
  4. Step 4: Simplify right side
    19,625.67x = 503,537,388.73
  5. Step 5: Solve for x
    x = 503,537,388.73/19,625.67
  6. Step 6: Final answer
    x = 25,657.08

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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.