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Finding the Fourth Proportional to 2,000.21, 2,999.64 and 701.51

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Solution

The fourth proportional to 2,000.21, 2,999.64 and 701.51 is: 1,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.21 : 2,999.64 = 701.51 : x
  2. Step 2: Convert to fraction form
    2,000.21/2,999.64 = 701.51/x
  3. Step 3: Cross multiply
    2,000.21x = 2,999.64 × 701.51
  4. Step 4: Simplify right side
    2,000.21x = 2,104,277.46
  5. Step 5: Solve for x
    x = 2,104,277.46/2,000.21
  6. Step 6: Final answer
    x = 1,052.03

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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.