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Finding the Fourth Proportional to 4,800.07, 7,199.90 and 1,515.52

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Solution

The fourth proportional to 4,800.07, 7,199.90 and 1,515.52 is: 2,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.07 : 7,199.90 = 1,515.52 : x
  2. Step 2: Convert to fraction form
    4,800.07/7,199.90 = 1,515.52/x
  3. Step 3: Cross multiply
    4,800.07x = 7,199.90 × 1,515.52
  4. Step 4: Simplify right side
    4,800.07x = 10,911,592.45
  5. Step 5: Solve for x
    x = 10,911,592.45/4,800.07
  6. Step 6: Final answer
    x = 2,273.22

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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.