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Finding the Fourth Proportional to 1,970.55, 2,955.29 and 737.87

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Solution

The fourth proportional to 1,970.55, 2,955.29 and 737.87 is: 1,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970.55 : 2,955.29 = 737.87 : x
  2. Step 2: Convert to fraction form
    1,970.55/2,955.29 = 737.87/x
  3. Step 3: Cross multiply
    1,970.55x = 2,955.29 × 737.87
  4. Step 4: Simplify right side
    1,970.55x = 2,180,601.37
  5. Step 5: Solve for x
    x = 2,180,601.37/1,970.55
  6. Step 6: Final answer
    x = 1,106.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.