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Finding the Fourth Proportional to 14,682.52, 20,260.54 and 8,713.16

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Solution

The fourth proportional to 14,682.52, 20,260.54 and 8,713.16 is: 12,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.52 : 20,260.54 = 8,713.16 : x
  2. Step 2: Convert to fraction form
    14,682.52/20,260.54 = 8,713.16/x
  3. Step 3: Cross multiply
    14,682.52x = 20,260.54 × 8,713.16
  4. Step 4: Simplify right side
    14,682.52x = 176,533,326.71
  5. Step 5: Solve for x
    x = 176,533,326.71/14,682.52
  6. Step 6: Final answer
    x = 12,023.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.