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Finding the Fourth Proportional to 8,352.60, 11,513.21 and 5,663.00

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Solution

The fourth proportional to 8,352.60, 11,513.21 and 5,663.00 is: 7,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.60 : 11,513.21 = 5,663.00 : x
  2. Step 2: Convert to fraction form
    8,352.60/11,513.21 = 5,663.00/x
  3. Step 3: Cross multiply
    8,352.60x = 11,513.21 × 5,663.00
  4. Step 4: Simplify right side
    8,352.60x = 65,199,222.35
  5. Step 5: Solve for x
    x = 65,199,222.35/8,352.60
  6. Step 6: Final answer
    x = 7,805.86

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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.