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Finding the Fourth Proportional to 2,017.45, 2,784.26 and 1,133.47

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Solution

The fourth proportional to 2,017.45, 2,784.26 and 1,133.47 is: 1,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.45 : 2,784.26 = 1,133.47 : x
  2. Step 2: Convert to fraction form
    2,017.45/2,784.26 = 1,133.47/x
  3. Step 3: Cross multiply
    2,017.45x = 2,784.26 × 1,133.47
  4. Step 4: Simplify right side
    2,017.45x = 3,155,855.59
  5. Step 5: Solve for x
    x = 3,155,855.59/2,017.45
  6. Step 6: Final answer
    x = 1,564.28

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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.