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Finding the Fourth Proportional to 7,672.60, 11,509.66 and 2,050.19

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Solution

The fourth proportional to 7,672.60, 11,509.66 and 2,050.19 is: 3,075.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.60 : 11,509.66 = 2,050.19 : x
  2. Step 2: Convert to fraction form
    7,672.60/11,509.66 = 2,050.19/x
  3. Step 3: Cross multiply
    7,672.60x = 11,509.66 × 2,050.19
  4. Step 4: Simplify right side
    7,672.60x = 23,596,989.84
  5. Step 5: Solve for x
    x = 23,596,989.84/7,672.60
  6. Step 6: Final answer
    x = 3,075.49

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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.