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Finding the Fourth Proportional to 14,632.68, 21,949.76 and 8,391.02

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Solution

The fourth proportional to 14,632.68, 21,949.76 and 8,391.02 is: 12,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,632.68 : 21,949.76 = 8,391.02 : x
  2. Step 2: Convert to fraction form
    14,632.68/21,949.76 = 8,391.02/x
  3. Step 3: Cross multiply
    14,632.68x = 21,949.76 × 8,391.02
  4. Step 4: Simplify right side
    14,632.68x = 184,180,875.16
  5. Step 5: Solve for x
    x = 184,180,875.16/14,632.68
  6. Step 6: Final answer
    x = 12,586.95

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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.