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Finding the Fourth Proportional to 8,649.93, 12,979.58 and 6,047.85

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Solution

The fourth proportional to 8,649.93, 12,979.58 and 6,047.85 is: 9,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.93 : 12,979.58 = 6,047.85 : x
  2. Step 2: Convert to fraction form
    8,649.93/12,979.58 = 6,047.85/x
  3. Step 3: Cross multiply
    8,649.93x = 12,979.58 × 6,047.85
  4. Step 4: Simplify right side
    8,649.93x = 78,498,522.66
  5. Step 5: Solve for x
    x = 78,498,522.66/8,649.93
  6. Step 6: Final answer
    x = 9,075.05

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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.