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Finding the Fourth Proportional to 4,852.42, 7,284.78 and 4,040.62

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Solution

The fourth proportional to 4,852.42, 7,284.78 and 4,040.62 is: 6,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,852.42 : 7,284.78 = 4,040.62 : x
  2. Step 2: Convert to fraction form
    4,852.42/7,284.78 = 4,040.62/x
  3. Step 3: Cross multiply
    4,852.42x = 7,284.78 × 4,040.62
  4. Step 4: Simplify right side
    4,852.42x = 29,435,027.76
  5. Step 5: Solve for x
    x = 29,435,027.76/4,852.42
  6. Step 6: Final answer
    x = 6,066.05

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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.