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Finding the Fourth Proportional to 1,300.96, 1,951.01 and 651.25

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Solution

The fourth proportional to 1,300.96, 1,951.01 and 651.25 is: 976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300.96 : 1,951.01 = 651.25 : x
  2. Step 2: Convert to fraction form
    1,300.96/1,951.01 = 651.25/x
  3. Step 3: Cross multiply
    1,300.96x = 1,951.01 × 651.25
  4. Step 4: Simplify right side
    1,300.96x = 1,270,595.26
  5. Step 5: Solve for x
    x = 1,270,595.26/1,300.96
  6. Step 6: Final answer
    x = 976.66

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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.