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Finding the Fourth Proportional to 3,516.94, 5,274.12 and 1,570.48

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Solution

The fourth proportional to 3,516.94, 5,274.12 and 1,570.48 is: 2,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.94 : 5,274.12 = 1,570.48 : x
  2. Step 2: Convert to fraction form
    3,516.94/5,274.12 = 1,570.48/x
  3. Step 3: Cross multiply
    3,516.94x = 5,274.12 × 1,570.48
  4. Step 4: Simplify right side
    3,516.94x = 8,282,899.98
  5. Step 5: Solve for x
    x = 8,282,899.98/3,516.94
  6. Step 6: Final answer
    x = 2,355.14

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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.