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Finding the Fourth Proportional to 3,063.57, 4,595.28 and 983.49

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Solution

The fourth proportional to 3,063.57, 4,595.28 and 983.49 is: 1,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.57 : 4,595.28 = 983.49 : x
  2. Step 2: Convert to fraction form
    3,063.57/4,595.28 = 983.49/x
  3. Step 3: Cross multiply
    3,063.57x = 4,595.28 × 983.49
  4. Step 4: Simplify right side
    3,063.57x = 4,519,411.93
  5. Step 5: Solve for x
    x = 4,519,411.93/3,063.57
  6. Step 6: Final answer
    x = 1,475.21

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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.