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Finding the Fourth Proportional to 7,507.99, 10,360.87 and 4,150.95

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Solution

The fourth proportional to 7,507.99, 10,360.87 and 4,150.95 is: 5,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.99 : 10,360.87 = 4,150.95 : x
  2. Step 2: Convert to fraction form
    7,507.99/10,360.87 = 4,150.95/x
  3. Step 3: Cross multiply
    7,507.99x = 10,360.87 × 4,150.95
  4. Step 4: Simplify right side
    7,507.99x = 43,007,404.10
  5. Step 5: Solve for x
    x = 43,007,404.10/7,507.99
  6. Step 6: Final answer
    x = 5,728.22

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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.