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Finding the Fourth Proportional to 2,936.32, 4,051.32 and 1,888.99

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Solution

The fourth proportional to 2,936.32, 4,051.32 and 1,888.99 is: 2,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.32 : 4,051.32 = 1,888.99 : x
  2. Step 2: Convert to fraction form
    2,936.32/4,051.32 = 1,888.99/x
  3. Step 3: Cross multiply
    2,936.32x = 4,051.32 × 1,888.99
  4. Step 4: Simplify right side
    2,936.32x = 7,652,885.75
  5. Step 5: Solve for x
    x = 7,652,885.75/2,936.32
  6. Step 6: Final answer
    x = 2,606.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.