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Finding the Fourth Proportional to 18,804, 28,210.32 and 6,492

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Solution

The fourth proportional to 18,804, 28,210.32 and 6,492 is: 9,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804 : 28,210.32 = 6,492 : x
  2. Step 2: Convert to fraction form
    18,804/28,210.32 = 6,492/x
  3. Step 3: Cross multiply
    18,804x = 28,210.32 × 6,492
  4. Step 4: Simplify right side
    18,804x = 183,141,397.44
  5. Step 5: Solve for x
    x = 183,141,397.44/18,804
  6. Step 6: Final answer
    x = 9,739.49

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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.