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Finding the Fourth Proportional to 5,000.80, 6,901.30 and 2,762.58

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Solution

The fourth proportional to 5,000.80, 6,901.30 and 2,762.58 is: 3,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.80 : 6,901.30 = 2,762.58 : x
  2. Step 2: Convert to fraction form
    5,000.80/6,901.30 = 2,762.58/x
  3. Step 3: Cross multiply
    5,000.80x = 6,901.30 × 2,762.58
  4. Step 4: Simplify right side
    5,000.80x = 19,065,393.35
  5. Step 5: Solve for x
    x = 19,065,393.35/5,000.80
  6. Step 6: Final answer
    x = 3,812.47

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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.