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Finding the Fourth Proportional to 1,182.99, 1,632.57 and 651.93

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Solution

The fourth proportional to 1,182.99, 1,632.57 and 651.93 is: 899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.99 : 1,632.57 = 651.93 : x
  2. Step 2: Convert to fraction form
    1,182.99/1,632.57 = 651.93/x
  3. Step 3: Cross multiply
    1,182.99x = 1,632.57 × 651.93
  4. Step 4: Simplify right side
    1,182.99x = 1,064,321.36
  5. Step 5: Solve for x
    x = 1,064,321.36/1,182.99
  6. Step 6: Final answer
    x = 899.69

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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.