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Finding the Fourth Proportional to 54,788.08, 82,182.12 and 13,235.08

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Solution

The fourth proportional to 54,788.08, 82,182.12 and 13,235.08 is: 19,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,788.08 : 82,182.12 = 13,235.08 : x
  2. Step 2: Convert to fraction form
    54,788.08/82,182.12 = 13,235.08/x
  3. Step 3: Cross multiply
    54,788.08x = 82,182.12 × 13,235.08
  4. Step 4: Simplify right side
    54,788.08x = 1,087,686,932.77
  5. Step 5: Solve for x
    x = 1,087,686,932.77/54,788.08
  6. Step 6: Final answer
    x = 19,852.62

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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.