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Finding the Fourth Proportional to 8,604.16, 12,901.08 and 4,159.12

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Solution

The fourth proportional to 8,604.16, 12,901.08 and 4,159.12 is: 6,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.16 : 12,901.08 = 4,159.12 : x
  2. Step 2: Convert to fraction form
    8,604.16/12,901.08 = 4,159.12/x
  3. Step 3: Cross multiply
    8,604.16x = 12,901.08 × 4,159.12
  4. Step 4: Simplify right side
    8,604.16x = 53,657,139.85
  5. Step 5: Solve for x
    x = 53,657,139.85/8,604.16
  6. Step 6: Final answer
    x = 6,236.19

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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.