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Finding the Fourth Proportional to 3,093.23, 4,639.35 and 901.45

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Solution

The fourth proportional to 3,093.23, 4,639.35 and 901.45 is: 1,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.23 : 4,639.35 = 901.45 : x
  2. Step 2: Convert to fraction form
    3,093.23/4,639.35 = 901.45/x
  3. Step 3: Cross multiply
    3,093.23x = 4,639.35 × 901.45
  4. Step 4: Simplify right side
    3,093.23x = 4,182,139.64
  5. Step 5: Solve for x
    x = 4,182,139.64/3,093.23
  6. Step 6: Final answer
    x = 1,352.03

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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.