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Finding the Fourth Proportional to 1,197.59, 1,653.23 and 700.07

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Solution

The fourth proportional to 1,197.59, 1,653.23 and 700.07 is: 966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.59 : 1,653.23 = 700.07 : x
  2. Step 2: Convert to fraction form
    1,197.59/1,653.23 = 700.07/x
  3. Step 3: Cross multiply
    1,197.59x = 1,653.23 × 700.07
  4. Step 4: Simplify right side
    1,197.59x = 1,157,373.23
  5. Step 5: Solve for x
    x = 1,157,373.23/1,197.59
  6. Step 6: Final answer
    x = 966.42

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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.