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Finding the Fourth Proportional to 970.32, 1,337.94 and 737.04

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Solution

The fourth proportional to 970.32, 1,337.94 and 737.04 is: 1,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    970.32 : 1,337.94 = 737.04 : x
  2. Step 2: Convert to fraction form
    970.32/1,337.94 = 737.04/x
  3. Step 3: Cross multiply
    970.32x = 1,337.94 × 737.04
  4. Step 4: Simplify right side
    970.32x = 986,115.30
  5. Step 5: Solve for x
    x = 986,115.30/970.32
  6. Step 6: Final answer
    x = 1,016.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.