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Finding the Fourth Proportional to 54,800.08, 82,200.12 and 13,247.08

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Solution

The fourth proportional to 54,800.08, 82,200.12 and 13,247.08 is: 19,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,800.08 : 82,200.12 = 13,247.08 : x
  2. Step 2: Convert to fraction form
    54,800.08/82,200.12 = 13,247.08/x
  3. Step 3: Cross multiply
    54,800.08x = 82,200.12 × 13,247.08
  4. Step 4: Simplify right side
    54,800.08x = 1,088,911,565.65
  5. Step 5: Solve for x
    x = 1,088,911,565.65/54,800.08
  6. Step 6: Final answer
    x = 19,870.62

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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.