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Finding the Fourth Proportional to 17,914.13, 26,878.48 and 8,058.05

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Solution

The fourth proportional to 17,914.13, 26,878.48 and 8,058.05 is: 12,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,914.13 : 26,878.48 = 8,058.05 : x
  2. Step 2: Convert to fraction form
    17,914.13/26,878.48 = 8,058.05/x
  3. Step 3: Cross multiply
    17,914.13x = 26,878.48 × 8,058.05
  4. Step 4: Simplify right side
    17,914.13x = 216,588,127.35
  5. Step 5: Solve for x
    x = 216,588,127.35/17,914.13
  6. Step 6: Final answer
    x = 12,090.35

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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.