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Finding the Fourth Proportional to 4,648.79, 6,964.38 and 2,888.26

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Solution

The fourth proportional to 4,648.79, 6,964.38 and 2,888.26 is: 4,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.79 : 6,964.38 = 2,888.26 : x
  2. Step 2: Convert to fraction form
    4,648.79/6,964.38 = 2,888.26/x
  3. Step 3: Cross multiply
    4,648.79x = 6,964.38 × 2,888.26
  4. Step 4: Simplify right side
    4,648.79x = 20,114,922.77
  5. Step 5: Solve for x
    x = 20,114,922.77/4,648.79
  6. Step 6: Final answer
    x = 4,326.91

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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.