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Finding the Fourth Proportional to 5,624.56, 7,754.67 and 4,612.55

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Solution

The fourth proportional to 5,624.56, 7,754.67 and 4,612.55 is: 6,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.56 : 7,754.67 = 4,612.55 : x
  2. Step 2: Convert to fraction form
    5,624.56/7,754.67 = 4,612.55/x
  3. Step 3: Cross multiply
    5,624.56x = 7,754.67 × 4,612.55
  4. Step 4: Simplify right side
    5,624.56x = 35,768,803.11
  5. Step 5: Solve for x
    x = 35,768,803.11/5,624.56
  6. Step 6: Final answer
    x = 6,359.40

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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.