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Finding the Fourth Proportional to 18,058.70, 27,051.60 and 18,058.70

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Solution

The fourth proportional to 18,058.70, 27,051.60 and 18,058.70 is: 27,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.70 : 27,051.60 = 18,058.70 : x
  2. Step 2: Convert to fraction form
    18,058.70/27,051.60 = 18,058.70/x
  3. Step 3: Cross multiply
    18,058.70x = 27,051.60 × 18,058.70
  4. Step 4: Simplify right side
    18,058.70x = 488,516,728.92
  5. Step 5: Solve for x
    x = 488,516,728.92/18,058.70
  6. Step 6: Final answer
    x = 27,051.60

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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.