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Finding the Fourth Proportional to 7,005.93, 10,508.74 and 1,740.96

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Solution

The fourth proportional to 7,005.93, 10,508.74 and 1,740.96 is: 2,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.93 : 10,508.74 = 1,740.96 : x
  2. Step 2: Convert to fraction form
    7,005.93/10,508.74 = 1,740.96/x
  3. Step 3: Cross multiply
    7,005.93x = 10,508.74 × 1,740.96
  4. Step 4: Simplify right side
    7,005.93x = 18,295,291.64
  5. Step 5: Solve for x
    x = 18,295,291.64/7,005.93
  6. Step 6: Final answer
    x = 2,611.40

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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.