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Finding the Fourth Proportional to 7,000.41, 10,502.87 and 2,070.09

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Solution

The fourth proportional to 7,000.41, 10,502.87 and 2,070.09 is: 3,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.41 : 10,502.87 = 2,070.09 : x
  2. Step 2: Convert to fraction form
    7,000.41/10,502.87 = 2,070.09/x
  3. Step 3: Cross multiply
    7,000.41x = 10,502.87 × 2,070.09
  4. Step 4: Simplify right side
    7,000.41x = 21,741,875.81
  5. Step 5: Solve for x
    x = 21,741,875.81/7,000.41
  6. Step 6: Final answer
    x = 3,105.80

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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.