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Finding the Fourth Proportional to 1,197.52, 1,654.14 and 883.42

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Solution

The fourth proportional to 1,197.52, 1,654.14 and 883.42 is: 1,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.52 : 1,654.14 = 883.42 : x
  2. Step 2: Convert to fraction form
    1,197.52/1,654.14 = 883.42/x
  3. Step 3: Cross multiply
    1,197.52x = 1,654.14 × 883.42
  4. Step 4: Simplify right side
    1,197.52x = 1,461,300.36
  5. Step 5: Solve for x
    x = 1,461,300.36/1,197.52
  6. Step 6: Final answer
    x = 1,220.27

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1.5x scale

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.