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Finding the Fourth Proportional to 6,492.30, 9,724.05 and 5,340.30

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Solution

The fourth proportional to 6,492.30, 9,724.05 and 5,340.30 is: 7,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.30 : 9,724.05 = 5,340.30 : x
  2. Step 2: Convert to fraction form
    6,492.30/9,724.05 = 5,340.30/x
  3. Step 3: Cross multiply
    6,492.30x = 9,724.05 × 5,340.30
  4. Step 4: Simplify right side
    6,492.30x = 51,929,344.22
  5. Step 5: Solve for x
    x = 51,929,344.22/6,492.30
  6. Step 6: Final answer
    x = 7,998.61

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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.