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Finding the Fourth Proportional to 4,618.72, 6,895.90 and 3,925.72

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Solution

The fourth proportional to 4,618.72, 6,895.90 and 3,925.72 is: 5,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.72 : 6,895.90 = 3,925.72 : x
  2. Step 2: Convert to fraction form
    4,618.72/6,895.90 = 3,925.72/x
  3. Step 3: Cross multiply
    4,618.72x = 6,895.90 × 3,925.72
  4. Step 4: Simplify right side
    4,618.72x = 27,071,372.55
  5. Step 5: Solve for x
    x = 27,071,372.55/4,618.72
  6. Step 6: Final answer
    x = 5,861.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.