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Finding the Fourth Proportional to 7,065.70, 10,610.70 and 4,611.40

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Solution

The fourth proportional to 7,065.70, 10,610.70 and 4,611.40 is: 6,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.70 : 10,610.70 = 4,611.40 : x
  2. Step 2: Convert to fraction form
    7,065.70/10,610.70 = 4,611.40/x
  3. Step 3: Cross multiply
    7,065.70x = 10,610.70 × 4,611.40
  4. Step 4: Simplify right side
    7,065.70x = 48,930,181.98
  5. Step 5: Solve for x
    x = 48,930,181.98/7,065.70
  6. Step 6: Final answer
    x = 6,925.03

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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.