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Finding the Fourth Proportional to 18,058.91, 27,068.58 and 9,294.30

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Solution

The fourth proportional to 18,058.91, 27,068.58 and 9,294.30 is: 13,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.91 : 27,068.58 = 9,294.30 : x
  2. Step 2: Convert to fraction form
    18,058.91/27,068.58 = 9,294.30/x
  3. Step 3: Cross multiply
    18,058.91x = 27,068.58 × 9,294.30
  4. Step 4: Simplify right side
    18,058.91x = 251,583,503.09
  5. Step 5: Solve for x
    x = 251,583,503.09/18,058.91
  6. Step 6: Final answer
    x = 13,931.27

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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.