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Finding the Fourth Proportional to 5,324.64, 7,347.90 and 3,336.30

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Solution

The fourth proportional to 5,324.64, 7,347.90 and 3,336.30 is: 4,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.64 : 7,347.90 = 3,336.30 : x
  2. Step 2: Convert to fraction form
    5,324.64/7,347.90 = 3,336.30/x
  3. Step 3: Cross multiply
    5,324.64x = 7,347.90 × 3,336.30
  4. Step 4: Simplify right side
    5,324.64x = 24,514,798.77
  5. Step 5: Solve for x
    x = 24,514,798.77/5,324.64
  6. Step 6: Final answer
    x = 4,604.03

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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.