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Finding the Fourth Proportional to 3,560.65, 4,913.60 and 1,967.33

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Solution

The fourth proportional to 3,560.65, 4,913.60 and 1,967.33 is: 2,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.65 : 4,913.60 = 1,967.33 : x
  2. Step 2: Convert to fraction form
    3,560.65/4,913.60 = 1,967.33/x
  3. Step 3: Cross multiply
    3,560.65x = 4,913.60 × 1,967.33
  4. Step 4: Simplify right side
    3,560.65x = 9,666,672.69
  5. Step 5: Solve for x
    x = 9,666,672.69/3,560.65
  6. Step 6: Final answer
    x = 2,714.86

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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.