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Finding the Fourth Proportional to 18,804.25, 28,219.34 and 6,492.25

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Solution

The fourth proportional to 18,804.25, 28,219.34 and 6,492.25 is: 9,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.25 : 28,219.34 = 6,492.25 : x
  2. Step 2: Convert to fraction form
    18,804.25/28,219.34 = 6,492.25/x
  3. Step 3: Cross multiply
    18,804.25x = 28,219.34 × 6,492.25
  4. Step 4: Simplify right side
    18,804.25x = 183,207,010.12
  5. Step 5: Solve for x
    x = 183,207,010.12/18,804.25
  6. Step 6: Final answer
    x = 9,742.85

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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.