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Finding the Fourth Proportional to 5,858.79, 8,788.23 and 1,963.50

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Solution

The fourth proportional to 5,858.79, 8,788.23 and 1,963.50 is: 2,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.79 : 8,788.23 = 1,963.50 : x
  2. Step 2: Convert to fraction form
    5,858.79/8,788.23 = 1,963.50/x
  3. Step 3: Cross multiply
    5,858.79x = 8,788.23 × 1,963.50
  4. Step 4: Simplify right side
    5,858.79x = 17,255,689.61
  5. Step 5: Solve for x
    x = 17,255,689.61/5,858.79
  6. Step 6: Final answer
    x = 2,945.27

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Double scale
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Similar ratio
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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.