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Finding the Fourth Proportional to 19,759.68, 27,267.95 and 10,807.08

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Solution

The fourth proportional to 19,759.68, 27,267.95 and 10,807.08 is: 14,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.68 : 27,267.95 = 10,807.08 : x
  2. Step 2: Convert to fraction form
    19,759.68/27,267.95 = 10,807.08/x
  3. Step 3: Cross multiply
    19,759.68x = 27,267.95 × 10,807.08
  4. Step 4: Simplify right side
    19,759.68x = 294,686,863.05
  5. Step 5: Solve for x
    x = 294,686,863.05/19,759.68
  6. Step 6: Final answer
    x = 14,913.54

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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.