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Finding the Fourth Proportional to 14,058.94, 21,077.99 and 8,510.97

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Solution

The fourth proportional to 14,058.94, 21,077.99 and 8,510.97 is: 12,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.94 : 21,077.99 = 8,510.97 : x
  2. Step 2: Convert to fraction form
    14,058.94/21,077.99 = 8,510.97/x
  3. Step 3: Cross multiply
    14,058.94x = 21,077.99 × 8,510.97
  4. Step 4: Simplify right side
    14,058.94x = 179,394,140.55
  5. Step 5: Solve for x
    x = 179,394,140.55/14,058.94
  6. Step 6: Final answer
    x = 12,760.15

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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.