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Finding the Fourth Proportional to 7,000.90, 10,502.64 and 2,003.06

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Solution

The fourth proportional to 7,000.90, 10,502.64 and 2,003.06 is: 3,004.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.90 : 10,502.64 = 2,003.06 : x
  2. Step 2: Convert to fraction form
    7,000.90/10,502.64 = 2,003.06/x
  3. Step 3: Cross multiply
    7,000.90x = 10,502.64 × 2,003.06
  4. Step 4: Simplify right side
    7,000.90x = 21,037,418.08
  5. Step 5: Solve for x
    x = 21,037,418.08/7,000.90
  6. Step 6: Final answer
    x = 3,004.96

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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.