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Finding the Fourth Proportional to 4,724.83, 7,089.99 and 4,471.48

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Solution

The fourth proportional to 4,724.83, 7,089.99 and 4,471.48 is: 6,709.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.83 : 7,089.99 = 4,471.48 : x
  2. Step 2: Convert to fraction form
    4,724.83/7,089.99 = 4,471.48/x
  3. Step 3: Cross multiply
    4,724.83x = 7,089.99 × 4,471.48
  4. Step 4: Simplify right side
    4,724.83x = 31,702,748.49
  5. Step 5: Solve for x
    x = 31,702,748.49/4,724.83
  6. Step 6: Final answer
    x = 6,709.82

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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.