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Finding the Fourth Proportional to 18,492.60, 25,519.62 and 10,534.80

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Solution

The fourth proportional to 18,492.60, 25,519.62 and 10,534.80 is: 14,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.60 : 25,519.62 = 10,534.80 : x
  2. Step 2: Convert to fraction form
    18,492.60/25,519.62 = 10,534.80/x
  3. Step 3: Cross multiply
    18,492.60x = 25,519.62 × 10,534.80
  4. Step 4: Simplify right side
    18,492.60x = 268,844,092.78
  5. Step 5: Solve for x
    x = 268,844,092.78/18,492.60
  6. Step 6: Final answer
    x = 14,537.93

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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.