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Finding the Fourth Proportional to 7,516.01, 10,370.90 and 4,490.19

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Solution

The fourth proportional to 7,516.01, 10,370.90 and 4,490.19 is: 6,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.01 : 10,370.90 = 4,490.19 : x
  2. Step 2: Convert to fraction form
    7,516.01/10,370.90 = 4,490.19/x
  3. Step 3: Cross multiply
    7,516.01x = 10,370.90 × 4,490.19
  4. Step 4: Simplify right side
    7,516.01x = 46,567,322.70
  5. Step 5: Solve for x
    x = 46,567,322.70/7,516.01
  6. Step 6: Final answer
    x = 6,195.75

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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.