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Finding the Fourth Proportional to 14,058.05, 21,087.05 and 5,741.97

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Solution

The fourth proportional to 14,058.05, 21,087.05 and 5,741.97 is: 8,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.05 : 21,087.05 = 5,741.97 : x
  2. Step 2: Convert to fraction form
    14,058.05/21,087.05 = 5,741.97/x
  3. Step 3: Cross multiply
    14,058.05x = 21,087.05 × 5,741.97
  4. Step 4: Simplify right side
    14,058.05x = 121,081,222.84
  5. Step 5: Solve for x
    x = 121,081,222.84/14,058.05
  6. Step 6: Final answer
    x = 8,612.95

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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.