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Finding the Fourth Proportional to 4,903.16, 7,353.24 and 1,782.80

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Solution

The fourth proportional to 4,903.16, 7,353.24 and 1,782.80 is: 2,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.16 : 7,353.24 = 1,782.80 : x
  2. Step 2: Convert to fraction form
    4,903.16/7,353.24 = 1,782.80/x
  3. Step 3: Cross multiply
    4,903.16x = 7,353.24 × 1,782.80
  4. Step 4: Simplify right side
    4,903.16x = 13,109,356.27
  5. Step 5: Solve for x
    x = 13,109,356.27/4,903.16
  6. Step 6: Final answer
    x = 2,673.65

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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.