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Finding the Fourth Proportional to 7,009.12, 10,506.19 and 3,492.19

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Solution

The fourth proportional to 7,009.12, 10,506.19 and 3,492.19 is: 5,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.12 : 10,506.19 = 3,492.19 : x
  2. Step 2: Convert to fraction form
    7,009.12/10,506.19 = 3,492.19/x
  3. Step 3: Cross multiply
    7,009.12x = 10,506.19 × 3,492.19
  4. Step 4: Simplify right side
    7,009.12x = 36,689,646.65
  5. Step 5: Solve for x
    x = 36,689,646.65/7,009.12
  6. Step 6: Final answer
    x = 5,234.56

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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.