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Finding the Fourth Proportional to 8,526.08, 11,765.92 and 4,749.20

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Solution

The fourth proportional to 8,526.08, 11,765.92 and 4,749.20 is: 6,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.08 : 11,765.92 = 4,749.20 : x
  2. Step 2: Convert to fraction form
    8,526.08/11,765.92 = 4,749.20/x
  3. Step 3: Cross multiply
    8,526.08x = 11,765.92 × 4,749.20
  4. Step 4: Simplify right side
    8,526.08x = 55,878,707.26
  5. Step 5: Solve for x
    x = 55,878,707.26/8,526.08
  6. Step 6: Final answer
    x = 6,553.86

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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.