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Finding the Fourth Proportional to 4,907.41, 7,360.05 and 1,619.72

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Solution

The fourth proportional to 4,907.41, 7,360.05 and 1,619.72 is: 2,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.41 : 7,360.05 = 1,619.72 : x
  2. Step 2: Convert to fraction form
    4,907.41/7,360.05 = 1,619.72/x
  3. Step 3: Cross multiply
    4,907.41x = 7,360.05 × 1,619.72
  4. Step 4: Simplify right side
    4,907.41x = 11,921,220.19
  5. Step 5: Solve for x
    x = 11,921,220.19/4,907.41
  6. Step 6: Final answer
    x = 2,429.23

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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.