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Finding the Fourth Proportional to 7,984.95, 12,017.25 and 6,020.70

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Solution

The fourth proportional to 7,984.95, 12,017.25 and 6,020.70 is: 9,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.95 : 12,017.25 = 6,020.70 : x
  2. Step 2: Convert to fraction form
    7,984.95/12,017.25 = 6,020.70/x
  3. Step 3: Cross multiply
    7,984.95x = 12,017.25 × 6,020.70
  4. Step 4: Simplify right side
    7,984.95x = 72,352,257.08
  5. Step 5: Solve for x
    x = 72,352,257.08/7,984.95
  6. Step 6: Final answer
    x = 9,061.08

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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.