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Finding the Fourth Proportional to 2,956.63, 4,433.52 and 1,570.63

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Solution

The fourth proportional to 2,956.63, 4,433.52 and 1,570.63 is: 2,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.63 : 4,433.52 = 1,570.63 : x
  2. Step 2: Convert to fraction form
    2,956.63/4,433.52 = 1,570.63/x
  3. Step 3: Cross multiply
    2,956.63x = 4,433.52 × 1,570.63
  4. Step 4: Simplify right side
    2,956.63x = 6,963,419.52
  5. Step 5: Solve for x
    x = 6,963,419.52/2,956.63
  6. Step 6: Final answer
    x = 2,355.19

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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.