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Finding the Fourth Proportional to 12,717.99, 19,058.16 and 12,007.14

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Solution

The fourth proportional to 12,717.99, 19,058.16 and 12,007.14 is: 17,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.99 : 19,058.16 = 12,007.14 : x
  2. Step 2: Convert to fraction form
    12,717.99/19,058.16 = 12,007.14/x
  3. Step 3: Cross multiply
    12,717.99x = 19,058.16 × 12,007.14
  4. Step 4: Simplify right side
    12,717.99x = 228,833,995.26
  5. Step 5: Solve for x
    x = 228,833,995.26/12,717.99
  6. Step 6: Final answer
    x = 17,992.94

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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.