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Finding the Fourth Proportional to 3,342.72, 5,014.80 and 1,804.80

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Solution

The fourth proportional to 3,342.72, 5,014.80 and 1,804.80 is: 2,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.72 : 5,014.80 = 1,804.80 : x
  2. Step 2: Convert to fraction form
    3,342.72/5,014.80 = 1,804.80/x
  3. Step 3: Cross multiply
    3,342.72x = 5,014.80 × 1,804.80
  4. Step 4: Simplify right side
    3,342.72x = 9,050,711.04
  5. Step 5: Solve for x
    x = 9,050,711.04/3,342.72
  6. Step 6: Final answer
    x = 2,707.59

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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.