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Finding the Fourth Proportional to 13,299.68, 19,932.54 and 7,062.68

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Solution

The fourth proportional to 13,299.68, 19,932.54 and 7,062.68 is: 10,585.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.68 : 19,932.54 = 7,062.68 : x
  2. Step 2: Convert to fraction form
    13,299.68/19,932.54 = 7,062.68/x
  3. Step 3: Cross multiply
    13,299.68x = 19,932.54 × 7,062.68
  4. Step 4: Simplify right side
    13,299.68x = 140,777,051.94
  5. Step 5: Solve for x
    x = 140,777,051.94/13,299.68
  6. Step 6: Final answer
    x = 10,585.00

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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.