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Finding the Fourth Proportional to 5,483.90, 8,225.78 and 5,218.26

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Solution

The fourth proportional to 5,483.90, 8,225.78 and 5,218.26 is: 7,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.90 : 8,225.78 = 5,218.26 : x
  2. Step 2: Convert to fraction form
    5,483.90/8,225.78 = 5,218.26/x
  3. Step 3: Cross multiply
    5,483.90x = 8,225.78 × 5,218.26
  4. Step 4: Simplify right side
    5,483.90x = 42,924,232.65
  5. Step 5: Solve for x
    x = 42,924,232.65/5,483.90
  6. Step 6: Final answer
    x = 7,827.33

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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.