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Finding the Fourth Proportional to 2,074.32, 2,866.32 and 2,026.80

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Solution

The fourth proportional to 2,074.32, 2,866.32 and 2,026.80 is: 2,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.32 : 2,866.32 = 2,026.80 : x
  2. Step 2: Convert to fraction form
    2,074.32/2,866.32 = 2,026.80/x
  3. Step 3: Cross multiply
    2,074.32x = 2,866.32 × 2,026.80
  4. Step 4: Simplify right side
    2,074.32x = 5,809,457.38
  5. Step 5: Solve for x
    x = 5,809,457.38/2,074.32
  6. Step 6: Final answer
    x = 2,800.66

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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.