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Finding the Fourth Proportional to 4,509.63, 6,764.45 and 2,959.45

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Solution

The fourth proportional to 4,509.63, 6,764.45 and 2,959.45 is: 4,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.63 : 6,764.45 = 2,959.45 : x
  2. Step 2: Convert to fraction form
    4,509.63/6,764.45 = 2,959.45/x
  3. Step 3: Cross multiply
    4,509.63x = 6,764.45 × 2,959.45
  4. Step 4: Simplify right side
    4,509.63x = 20,019,019.84
  5. Step 5: Solve for x
    x = 20,019,019.84/4,509.63
  6. Step 6: Final answer
    x = 4,439.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.