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Finding the Fourth Proportional to 14,502.08, 20,014.16 and 8,451.99

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Solution

The fourth proportional to 14,502.08, 20,014.16 and 8,451.99 is: 11,664.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502.08 : 20,014.16 = 8,451.99 : x
  2. Step 2: Convert to fraction form
    14,502.08/20,014.16 = 8,451.99/x
  3. Step 3: Cross multiply
    14,502.08x = 20,014.16 × 8,451.99
  4. Step 4: Simplify right side
    14,502.08x = 169,159,480.18
  5. Step 5: Solve for x
    x = 169,159,480.18/14,502.08
  6. Step 6: Final answer
    x = 11,664.50

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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.