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Finding the Fourth Proportional to 9,377.98, 14,069.70 and 3,455.46

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Solution

The fourth proportional to 9,377.98, 14,069.70 and 3,455.46 is: 5,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,377.98 : 14,069.70 = 3,455.46 : x
  2. Step 2: Convert to fraction form
    9,377.98/14,069.70 = 3,455.46/x
  3. Step 3: Cross multiply
    9,377.98x = 14,069.70 × 3,455.46
  4. Step 4: Simplify right side
    9,377.98x = 48,617,285.56
  5. Step 5: Solve for x
    x = 48,617,285.56/9,377.98
  6. Step 6: Final answer
    x = 5,184.20

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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.