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Finding the Fourth Proportional to 937.52, 1,292.22 and 859.08

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Solution

The fourth proportional to 937.52, 1,292.22 and 859.08 is: 1,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.52 : 1,292.22 = 859.08 : x
  2. Step 2: Convert to fraction form
    937.52/1,292.22 = 859.08/x
  3. Step 3: Cross multiply
    937.52x = 1,292.22 × 859.08
  4. Step 4: Simplify right side
    937.52x = 1,110,120.36
  5. Step 5: Solve for x
    x = 1,110,120.36/937.52
  6. Step 6: Final answer
    x = 1,184.10

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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.