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Finding the Fourth Proportional to 4,539.33, 6,810.03 and 1,905.33

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Solution

The fourth proportional to 4,539.33, 6,810.03 and 1,905.33 is: 2,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.33 : 6,810.03 = 1,905.33 : x
  2. Step 2: Convert to fraction form
    4,539.33/6,810.03 = 1,905.33/x
  3. Step 3: Cross multiply
    4,539.33x = 6,810.03 × 1,905.33
  4. Step 4: Simplify right side
    4,539.33x = 12,975,354.46
  5. Step 5: Solve for x
    x = 12,975,354.46/4,539.33
  6. Step 6: Final answer
    x = 2,858.43

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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.