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Finding the Fourth Proportional to 8,769.06, 12,101.10 and 4,790.28

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Solution

The fourth proportional to 8,769.06, 12,101.10 and 4,790.28 is: 6,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.06 : 12,101.10 = 4,790.28 : x
  2. Step 2: Convert to fraction form
    8,769.06/12,101.10 = 4,790.28/x
  3. Step 3: Cross multiply
    8,769.06x = 12,101.10 × 4,790.28
  4. Step 4: Simplify right side
    8,769.06x = 57,967,657.31
  5. Step 5: Solve for x
    x = 57,967,657.31/8,769.06
  6. Step 6: Final answer
    x = 6,610.48

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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.