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Finding the Fourth Proportional to 4,665.80, 6,999.01 and 1,503.56

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Solution

The fourth proportional to 4,665.80, 6,999.01 and 1,503.56 is: 2,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.80 : 6,999.01 = 1,503.56 : x
  2. Step 2: Convert to fraction form
    4,665.80/6,999.01 = 1,503.56/x
  3. Step 3: Cross multiply
    4,665.80x = 6,999.01 × 1,503.56
  4. Step 4: Simplify right side
    4,665.80x = 10,523,445.21
  5. Step 5: Solve for x
    x = 10,523,445.21/4,665.80
  6. Step 6: Final answer
    x = 2,255.44

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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.