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Finding the Fourth Proportional to 1,632.52, 2,252.84 and 886.47

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Solution

The fourth proportional to 1,632.52, 2,252.84 and 886.47 is: 1,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.52 : 2,252.84 = 886.47 : x
  2. Step 2: Convert to fraction form
    1,632.52/2,252.84 = 886.47/x
  3. Step 3: Cross multiply
    1,632.52x = 2,252.84 × 886.47
  4. Step 4: Simplify right side
    1,632.52x = 1,997,075.07
  5. Step 5: Solve for x
    x = 1,997,075.07/1,632.52
  6. Step 6: Final answer
    x = 1,223.31

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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.