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Finding the Fourth Proportional to 4,903.42, 7,347.93 and 3,865.96

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Solution

The fourth proportional to 4,903.42, 7,347.93 and 3,865.96 is: 5,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.42 : 7,347.93 = 3,865.96 : x
  2. Step 2: Convert to fraction form
    4,903.42/7,347.93 = 3,865.96/x
  3. Step 3: Cross multiply
    4,903.42x = 7,347.93 × 3,865.96
  4. Step 4: Simplify right side
    4,903.42x = 28,406,803.46
  5. Step 5: Solve for x
    x = 28,406,803.46/4,903.42
  6. Step 6: Final answer
    x = 5,793.26

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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.