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Finding the Fourth Proportional to 14,551.08, 20,079.95 and 8,895.30

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Solution

The fourth proportional to 14,551.08, 20,079.95 and 8,895.30 is: 12,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.08 : 20,079.95 = 8,895.30 : x
  2. Step 2: Convert to fraction form
    14,551.08/20,079.95 = 8,895.30/x
  3. Step 3: Cross multiply
    14,551.08x = 20,079.95 × 8,895.30
  4. Step 4: Simplify right side
    14,551.08x = 178,617,179.24
  5. Step 5: Solve for x
    x = 178,617,179.24/14,551.08
  6. Step 6: Final answer
    x = 12,275.18

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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.