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Finding the Fourth Proportional to 4,674.78, 6,459.75 and 4,446.99

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Solution

The fourth proportional to 4,674.78, 6,459.75 and 4,446.99 is: 6,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.78 : 6,459.75 = 4,446.99 : x
  2. Step 2: Convert to fraction form
    4,674.78/6,459.75 = 4,446.99/x
  3. Step 3: Cross multiply
    4,674.78x = 6,459.75 × 4,446.99
  4. Step 4: Simplify right side
    4,674.78x = 28,726,443.65
  5. Step 5: Solve for x
    x = 28,726,443.65/4,674.78
  6. Step 6: Final answer
    x = 6,144.98

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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.