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Finding the Fourth Proportional to 7,484.55, 10,329.65 and 6,223.44

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Solution

The fourth proportional to 7,484.55, 10,329.65 and 6,223.44 is: 8,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.55 : 10,329.65 = 6,223.44 : x
  2. Step 2: Convert to fraction form
    7,484.55/10,329.65 = 6,223.44/x
  3. Step 3: Cross multiply
    7,484.55x = 10,329.65 × 6,223.44
  4. Step 4: Simplify right side
    7,484.55x = 64,285,915.23
  5. Step 5: Solve for x
    x = 64,285,915.23/7,484.55
  6. Step 6: Final answer
    x = 8,589.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.