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Finding the Fourth Proportional to 11,703.99, 17,562.90 and 4,313.61

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Solution

The fourth proportional to 11,703.99, 17,562.90 and 4,313.61 is: 6,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.99 : 17,562.90 = 4,313.61 : x
  2. Step 2: Convert to fraction form
    11,703.99/17,562.90 = 4,313.61/x
  3. Step 3: Cross multiply
    11,703.99x = 17,562.90 × 4,313.61
  4. Step 4: Simplify right side
    11,703.99x = 75,759,501.07
  5. Step 5: Solve for x
    x = 75,759,501.07/11,703.99
  6. Step 6: Final answer
    x = 6,472.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.