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Finding the Fourth Proportional to 4,933.45, 7,393.19 and 4,347.21

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Solution

The fourth proportional to 4,933.45, 7,393.19 and 4,347.21 is: 6,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.45 : 7,393.19 = 4,347.21 : x
  2. Step 2: Convert to fraction form
    4,933.45/7,393.19 = 4,347.21/x
  3. Step 3: Cross multiply
    4,933.45x = 7,393.19 × 4,347.21
  4. Step 4: Simplify right side
    4,933.45x = 32,139,727.76
  5. Step 5: Solve for x
    x = 32,139,727.76/4,933.45
  6. Step 6: Final answer
    x = 6,514.66

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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.