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Finding the Fourth Proportional to 14,461.62, 19,954.80 and 8,492.73

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Solution

The fourth proportional to 14,461.62, 19,954.80 and 8,492.73 is: 11,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,461.62 : 19,954.80 = 8,492.73 : x
  2. Step 2: Convert to fraction form
    14,461.62/19,954.80 = 8,492.73/x
  3. Step 3: Cross multiply
    14,461.62x = 19,954.80 × 8,492.73
  4. Step 4: Simplify right side
    14,461.62x = 169,470,728.60
  5. Step 5: Solve for x
    x = 169,470,728.60/14,461.62
  6. Step 6: Final answer
    x = 11,718.65

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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.