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Finding the Fourth Proportional to 14,895.16, 20,549.60 and 8,520.46

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Solution

The fourth proportional to 14,895.16, 20,549.60 and 8,520.46 is: 11,754.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.16 : 20,549.60 = 8,520.46 : x
  2. Step 2: Convert to fraction form
    14,895.16/20,549.60 = 8,520.46/x
  3. Step 3: Cross multiply
    14,895.16x = 20,549.60 × 8,520.46
  4. Step 4: Simplify right side
    14,895.16x = 175,091,982.79
  5. Step 5: Solve for x
    x = 175,091,982.79/14,895.16
  6. Step 6: Final answer
    x = 11,754.96

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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.