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Finding the Fourth Proportional to 933.93, 1,290.33 and 795.51

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Solution

The fourth proportional to 933.93, 1,290.33 and 795.51 is: 1,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.93 : 1,290.33 = 795.51 : x
  2. Step 2: Convert to fraction form
    933.93/1,290.33 = 795.51/x
  3. Step 3: Cross multiply
    933.93x = 1,290.33 × 795.51
  4. Step 4: Simplify right side
    933.93x = 1,026,470.42
  5. Step 5: Solve for x
    x = 1,026,470.42/933.93
  6. Step 6: Final answer
    x = 1,099.09

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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.