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Finding the Fourth Proportional to 934.96, 1,290.06 and 795.64

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Solution

The fourth proportional to 934.96, 1,290.06 and 795.64 is: 1,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.96 : 1,290.06 = 795.64 : x
  2. Step 2: Convert to fraction form
    934.96/1,290.06 = 795.64/x
  3. Step 3: Cross multiply
    934.96x = 1,290.06 × 795.64
  4. Step 4: Simplify right side
    934.96x = 1,026,423.34
  5. Step 5: Solve for x
    x = 1,026,423.34/934.96
  6. Step 6: Final answer
    x = 1,097.83

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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.