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Finding the Fourth Proportional to 19,068.64, 28,604.24 and 6,589.92

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Solution

The fourth proportional to 19,068.64, 28,604.24 and 6,589.92 is: 9,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.64 : 28,604.24 = 6,589.92 : x
  2. Step 2: Convert to fraction form
    19,068.64/28,604.24 = 6,589.92/x
  3. Step 3: Cross multiply
    19,068.64x = 28,604.24 × 6,589.92
  4. Step 4: Simplify right side
    19,068.64x = 188,499,653.26
  5. Step 5: Solve for x
    x = 188,499,653.26/19,068.64
  6. Step 6: Final answer
    x = 9,885.32

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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.