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Finding the Fourth Proportional to 1,197.93, 1,653.14 and 700.91

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Solution

The fourth proportional to 1,197.93, 1,653.14 and 700.91 is: 967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.93 : 1,653.14 = 700.91 : x
  2. Step 2: Convert to fraction form
    1,197.93/1,653.14 = 700.91/x
  3. Step 3: Cross multiply
    1,197.93x = 1,653.14 × 700.91
  4. Step 4: Simplify right side
    1,197.93x = 1,158,695.84
  5. Step 5: Solve for x
    x = 1,158,695.84/1,197.93
  6. Step 6: Final answer
    x = 967.25

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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.