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Finding the Fourth Proportional to 932.60, 1,284.06 and 792.44

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Solution

The fourth proportional to 932.60, 1,284.06 and 792.44 is: 1,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.60 : 1,284.06 = 792.44 : x
  2. Step 2: Convert to fraction form
    932.60/1,284.06 = 792.44/x
  3. Step 3: Cross multiply
    932.60x = 1,284.06 × 792.44
  4. Step 4: Simplify right side
    932.60x = 1,017,540.51
  5. Step 5: Solve for x
    x = 1,017,540.51/932.60
  6. Step 6: Final answer
    x = 1,091.08

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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.