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Finding the Fourth Proportional to 5,256.86, 7,885.20 and 2,484.86

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Solution

The fourth proportional to 5,256.86, 7,885.20 and 2,484.86 is: 3,727.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.86 : 7,885.20 = 2,484.86 : x
  2. Step 2: Convert to fraction form
    5,256.86/7,885.20 = 2,484.86/x
  3. Step 3: Cross multiply
    5,256.86x = 7,885.20 × 2,484.86
  4. Step 4: Simplify right side
    5,256.86x = 19,593,618.07
  5. Step 5: Solve for x
    x = 19,593,618.07/5,256.86
  6. Step 6: Final answer
    x = 3,727.25

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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.