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Finding the Fourth Proportional to 2,045.80, 2,766.15 and 2,045.80

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Solution

The fourth proportional to 2,045.80, 2,766.15 and 2,045.80 is: 2,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.80 : 2,766.15 = 2,045.80 : x
  2. Step 2: Convert to fraction form
    2,045.80/2,766.15 = 2,045.80/x
  3. Step 3: Cross multiply
    2,045.80x = 2,766.15 × 2,045.80
  4. Step 4: Simplify right side
    2,045.80x = 5,658,989.67
  5. Step 5: Solve for x
    x = 5,658,989.67/2,045.80
  6. Step 6: Final answer
    x = 2,766.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.