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Finding the Fourth Proportional to 8,369.52, 12,547.08 and 3,436.08

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Solution

The fourth proportional to 8,369.52, 12,547.08 and 3,436.08 is: 5,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.52 : 12,547.08 = 3,436.08 : x
  2. Step 2: Convert to fraction form
    8,369.52/12,547.08 = 3,436.08/x
  3. Step 3: Cross multiply
    8,369.52x = 12,547.08 × 3,436.08
  4. Step 4: Simplify right side
    8,369.52x = 43,112,770.65
  5. Step 5: Solve for x
    x = 43,112,770.65/8,369.52
  6. Step 6: Final answer
    x = 5,151.16

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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.