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Finding the Fourth Proportional to 3,344.58, 4,614.95 and 1,928.10

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Solution

The fourth proportional to 3,344.58, 4,614.95 and 1,928.10 is: 2,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.58 : 4,614.95 = 1,928.10 : x
  2. Step 2: Convert to fraction form
    3,344.58/4,614.95 = 1,928.10/x
  3. Step 3: Cross multiply
    3,344.58x = 4,614.95 × 1,928.10
  4. Step 4: Simplify right side
    3,344.58x = 8,898,075.45
  5. Step 5: Solve for x
    x = 8,898,075.45/3,344.58
  6. Step 6: Final answer
    x = 2,660.45

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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.