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Finding the Fourth Proportional to 1,970.52, 2,955.67 and 737.83

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Solution

The fourth proportional to 1,970.52, 2,955.67 and 737.83 is: 1,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970.52 : 2,955.67 = 737.83 : x
  2. Step 2: Convert to fraction form
    1,970.52/2,955.67 = 737.83/x
  3. Step 3: Cross multiply
    1,970.52x = 2,955.67 × 737.83
  4. Step 4: Simplify right side
    1,970.52x = 2,180,782.00
  5. Step 5: Solve for x
    x = 2,180,782.00/1,970.52
  6. Step 6: Final answer
    x = 1,106.70

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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.