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Finding the Fourth Proportional to 5,905.73, 8,854.25 and 1,955.57

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Solution

The fourth proportional to 5,905.73, 8,854.25 and 1,955.57 is: 2,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.73 : 8,854.25 = 1,955.57 : x
  2. Step 2: Convert to fraction form
    5,905.73/8,854.25 = 1,955.57/x
  3. Step 3: Cross multiply
    5,905.73x = 8,854.25 × 1,955.57
  4. Step 4: Simplify right side
    5,905.73x = 17,315,051.62
  5. Step 5: Solve for x
    x = 17,315,051.62/5,905.73
  6. Step 6: Final answer
    x = 2,931.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.