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Finding the Fourth Proportional to 7,502.63, 10,353.63 and 4,190.63

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Solution

The fourth proportional to 7,502.63, 10,353.63 and 4,190.63 is: 5,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.63 : 10,353.63 = 4,190.63 : x
  2. Step 2: Convert to fraction form
    7,502.63/10,353.63 = 4,190.63/x
  3. Step 3: Cross multiply
    7,502.63x = 10,353.63 × 4,190.63
  4. Step 4: Simplify right side
    7,502.63x = 43,388,180.72
  5. Step 5: Solve for x
    x = 43,388,180.72/7,502.63
  6. Step 6: Final answer
    x = 5,783.07

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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.