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Finding the Fourth Proportional to 18,492.34, 25,521.20 and 10,941.10

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Solution

The fourth proportional to 18,492.34, 25,521.20 and 10,941.10 is: 15,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.34 : 25,521.20 = 10,941.10 : x
  2. Step 2: Convert to fraction form
    18,492.34/25,521.20 = 10,941.10/x
  3. Step 3: Cross multiply
    18,492.34x = 25,521.20 × 10,941.10
  4. Step 4: Simplify right side
    18,492.34x = 279,230,001.32
  5. Step 5: Solve for x
    x = 279,230,001.32/18,492.34
  6. Step 6: Final answer
    x = 15,099.77

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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.