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Finding the Fourth Proportional to 5,683.91, 8,525.91 and 3,547.42

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Solution

The fourth proportional to 5,683.91, 8,525.91 and 3,547.42 is: 5,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.91 : 8,525.91 = 3,547.42 : x
  2. Step 2: Convert to fraction form
    5,683.91/8,525.91 = 3,547.42/x
  3. Step 3: Cross multiply
    5,683.91x = 8,525.91 × 3,547.42
  4. Step 4: Simplify right side
    5,683.91x = 30,244,975.64
  5. Step 5: Solve for x
    x = 30,244,975.64/5,683.91
  6. Step 6: Final answer
    x = 5,321.16

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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.