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Finding the Fourth Proportional to 7,471.08, 10,310.10 and 4,159.08

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Solution

The fourth proportional to 7,471.08, 10,310.10 and 4,159.08 is: 5,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.08 : 10,310.10 = 4,159.08 : x
  2. Step 2: Convert to fraction form
    7,471.08/10,310.10 = 4,159.08/x
  3. Step 3: Cross multiply
    7,471.08x = 10,310.10 × 4,159.08
  4. Step 4: Simplify right side
    7,471.08x = 42,880,530.71
  5. Step 5: Solve for x
    x = 42,880,530.71/7,471.08
  6. Step 6: Final answer
    x = 5,739.54

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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.