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Finding the Fourth Proportional to 2,009.66, 2,999.57 and 1,886.54

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Solution

The fourth proportional to 2,009.66, 2,999.57 and 1,886.54 is: 2,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.66 : 2,999.57 = 1,886.54 : x
  2. Step 2: Convert to fraction form
    2,009.66/2,999.57 = 1,886.54/x
  3. Step 3: Cross multiply
    2,009.66x = 2,999.57 × 1,886.54
  4. Step 4: Simplify right side
    2,009.66x = 5,658,808.79
  5. Step 5: Solve for x
    x = 5,658,808.79/2,009.66
  6. Step 6: Final answer
    x = 2,815.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.