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Finding the Fourth Proportional to 4,971.99, 7,460.55 and 2,750.42

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Solution

The fourth proportional to 4,971.99, 7,460.55 and 2,750.42 is: 4,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.99 : 7,460.55 = 2,750.42 : x
  2. Step 2: Convert to fraction form
    4,971.99/7,460.55 = 2,750.42/x
  3. Step 3: Cross multiply
    4,971.99x = 7,460.55 × 2,750.42
  4. Step 4: Simplify right side
    4,971.99x = 20,519,645.93
  5. Step 5: Solve for x
    x = 20,519,645.93/4,971.99
  6. Step 6: Final answer
    x = 4,127.05

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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.