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Finding the Fourth Proportional to 4,903.48, 6,764.88 and 2,806.48

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Solution

The fourth proportional to 4,903.48, 6,764.88 and 2,806.48 is: 3,871.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.48 : 6,764.88 = 2,806.48 : x
  2. Step 2: Convert to fraction form
    4,903.48/6,764.88 = 2,806.48/x
  3. Step 3: Cross multiply
    4,903.48x = 6,764.88 × 2,806.48
  4. Step 4: Simplify right side
    4,903.48x = 18,985,500.42
  5. Step 5: Solve for x
    x = 18,985,500.42/4,903.48
  6. Step 6: Final answer
    x = 3,871.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.