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Finding the Fourth Proportional to 1,133.84, 1,566.24 and 888.26

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Solution

The fourth proportional to 1,133.84, 1,566.24 and 888.26 is: 1,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.84 : 1,566.24 = 888.26 : x
  2. Step 2: Convert to fraction form
    1,133.84/1,566.24 = 888.26/x
  3. Step 3: Cross multiply
    1,133.84x = 1,566.24 × 888.26
  4. Step 4: Simplify right side
    1,133.84x = 1,391,228.34
  5. Step 5: Solve for x
    x = 1,391,228.34/1,133.84
  6. Step 6: Final answer
    x = 1,227.01

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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.