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Finding the Fourth Proportional to 1,300.24, 1,951.71 and 753.49

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Solution

The fourth proportional to 1,300.24, 1,951.71 and 753.49 is: 1,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300.24 : 1,951.71 = 753.49 : x
  2. Step 2: Convert to fraction form
    1,300.24/1,951.71 = 753.49/x
  3. Step 3: Cross multiply
    1,300.24x = 1,951.71 × 753.49
  4. Step 4: Simplify right side
    1,300.24x = 1,470,580.44
  5. Step 5: Solve for x
    x = 1,470,580.44/1,300.24
  6. Step 6: Final answer
    x = 1,131.01

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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.