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Finding the Fourth Proportional to 5,752.44, 8,627.74 and 1,856.86

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Solution

The fourth proportional to 5,752.44, 8,627.74 and 1,856.86 is: 2,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.44 : 8,627.74 = 1,856.86 : x
  2. Step 2: Convert to fraction form
    5,752.44/8,627.74 = 1,856.86/x
  3. Step 3: Cross multiply
    5,752.44x = 8,627.74 × 1,856.86
  4. Step 4: Simplify right side
    5,752.44x = 16,020,479.08
  5. Step 5: Solve for x
    x = 16,020,479.08/5,752.44
  6. Step 6: Final answer
    x = 2,784.99

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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.