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Finding the Fourth Proportional to 5,809.52, 8,709.24 and 2,886.32

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Solution

The fourth proportional to 5,809.52, 8,709.24 and 2,886.32 is: 4,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.52 : 8,709.24 = 2,886.32 : x
  2. Step 2: Convert to fraction form
    5,809.52/8,709.24 = 2,886.32/x
  3. Step 3: Cross multiply
    5,809.52x = 8,709.24 × 2,886.32
  4. Step 4: Simplify right side
    5,809.52x = 25,137,653.60
  5. Step 5: Solve for x
    x = 25,137,653.60/5,809.52
  6. Step 6: Final answer
    x = 4,326.98

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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.