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Finding the Fourth Proportional to 6,474.72, 8,933.04 and 4,378.08

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Solution

The fourth proportional to 6,474.72, 8,933.04 and 4,378.08 is: 6,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.72 : 8,933.04 = 4,378.08 : x
  2. Step 2: Convert to fraction form
    6,474.72/8,933.04 = 4,378.08/x
  3. Step 3: Cross multiply
    6,474.72x = 8,933.04 × 4,378.08
  4. Step 4: Simplify right side
    6,474.72x = 39,109,563.76
  5. Step 5: Solve for x
    x = 39,109,563.76/6,474.72
  6. Step 6: Final answer
    x = 6,040.35

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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.