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Finding the Fourth Proportional to 8,769.03, 12,101.06 and 4,790.16

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Solution

The fourth proportional to 8,769.03, 12,101.06 and 4,790.16 is: 6,610.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.03 : 12,101.06 = 4,790.16 : x
  2. Step 2: Convert to fraction form
    8,769.03/12,101.06 = 4,790.16/x
  3. Step 3: Cross multiply
    8,769.03x = 12,101.06 × 4,790.16
  4. Step 4: Simplify right side
    8,769.03x = 57,966,025.55
  5. Step 5: Solve for x
    x = 57,966,025.55/8,769.03
  6. Step 6: Final answer
    x = 6,610.31

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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.