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Finding the Fourth Proportional to 12,632.59, 17,441.09 and 11,303.99

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Solution

The fourth proportional to 12,632.59, 17,441.09 and 11,303.99 is: 15,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.59 : 17,441.09 = 11,303.99 : x
  2. Step 2: Convert to fraction form
    12,632.59/17,441.09 = 11,303.99/x
  3. Step 3: Cross multiply
    12,632.59x = 17,441.09 × 11,303.99
  4. Step 4: Simplify right side
    12,632.59x = 197,153,871.02
  5. Step 5: Solve for x
    x = 197,153,871.02/12,632.59
  6. Step 6: Final answer
    x = 15,606.76

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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.