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Finding the Fourth Proportional to 12,328.68, 18,492.54 and 6,793

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Solution

The fourth proportional to 12,328.68, 18,492.54 and 6,793 is: 10,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.68 : 18,492.54 = 6,793 : x
  2. Step 2: Convert to fraction form
    12,328.68/18,492.54 = 6,793/x
  3. Step 3: Cross multiply
    12,328.68x = 18,492.54 × 6,793
  4. Step 4: Simplify right side
    12,328.68x = 125,619,824.22
  5. Step 5: Solve for x
    x = 125,619,824.22/12,328.68
  6. Step 6: Final answer
    x = 10,189.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.