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Finding the Fourth Proportional to 5,263.22, 7,893.45 and 1,564.45

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Solution

The fourth proportional to 5,263.22, 7,893.45 and 1,564.45 is: 2,346.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.22 : 7,893.45 = 1,564.45 : x
  2. Step 2: Convert to fraction form
    5,263.22/7,893.45 = 1,564.45/x
  3. Step 3: Cross multiply
    5,263.22x = 7,893.45 × 1,564.45
  4. Step 4: Simplify right side
    5,263.22x = 12,348,917.72
  5. Step 5: Solve for x
    x = 12,348,917.72/5,263.22
  6. Step 6: Final answer
    x = 2,346.27

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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.