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Finding the Fourth Proportional to 7,369.10, 11,039.74 and 5,706.08

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Solution

The fourth proportional to 7,369.10, 11,039.74 and 5,706.08 is: 8,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.10 : 11,039.74 = 5,706.08 : x
  2. Step 2: Convert to fraction form
    7,369.10/11,039.74 = 5,706.08/x
  3. Step 3: Cross multiply
    7,369.10x = 11,039.74 × 5,706.08
  4. Step 4: Simplify right side
    7,369.10x = 62,993,639.62
  5. Step 5: Solve for x
    x = 62,993,639.62/7,369.10
  6. Step 6: Final answer
    x = 8,548.35

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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.