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Finding the Fourth Proportional to 5,614.34, 7,746.30 and 3,518.87

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Solution

The fourth proportional to 5,614.34, 7,746.30 and 3,518.87 is: 4,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.34 : 7,746.30 = 3,518.87 : x
  2. Step 2: Convert to fraction form
    5,614.34/7,746.30 = 3,518.87/x
  3. Step 3: Cross multiply
    5,614.34x = 7,746.30 × 3,518.87
  4. Step 4: Simplify right side
    5,614.34x = 27,258,183.95
  5. Step 5: Solve for x
    x = 27,258,183.95/5,614.34
  6. Step 6: Final answer
    x = 4,855.10

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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.