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Finding the Fourth Proportional to 2,574.48, 3,861.71 and 626.67

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Solution

The fourth proportional to 2,574.48, 3,861.71 and 626.67 is: 940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.48 : 3,861.71 = 626.67 : x
  2. Step 2: Convert to fraction form
    2,574.48/3,861.71 = 626.67/x
  3. Step 3: Cross multiply
    2,574.48x = 3,861.71 × 626.67
  4. Step 4: Simplify right side
    2,574.48x = 2,420,014.67
  5. Step 5: Solve for x
    x = 2,420,014.67/2,574.48
  6. Step 6: Final answer
    x = 940.00

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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.