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Finding the Fourth Proportional to 18,058.96, 24,897.48 and 13,018.96

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Solution

The fourth proportional to 18,058.96, 24,897.48 and 13,018.96 is: 17,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.96 : 24,897.48 = 13,018.96 : x
  2. Step 2: Convert to fraction form
    18,058.96/24,897.48 = 13,018.96/x
  3. Step 3: Cross multiply
    18,058.96x = 24,897.48 × 13,018.96
  4. Step 4: Simplify right side
    18,058.96x = 324,139,296.22
  5. Step 5: Solve for x
    x = 324,139,296.22/18,058.96
  6. Step 6: Final answer
    x = 17,948.95

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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.