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Finding the Fourth Proportional to 1,176.01, 1,622.70 and 651.94

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Solution

The fourth proportional to 1,176.01, 1,622.70 and 651.94 is: 899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.01 : 1,622.70 = 651.94 : x
  2. Step 2: Convert to fraction form
    1,176.01/1,622.70 = 651.94/x
  3. Step 3: Cross multiply
    1,176.01x = 1,622.70 × 651.94
  4. Step 4: Simplify right side
    1,176.01x = 1,057,898.98
  5. Step 5: Solve for x
    x = 1,057,898.98/1,176.01
  6. Step 6: Final answer
    x = 899.57

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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.