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Finding the Fourth Proportional to 5,758.10, 8,577.72 and 5,583.87

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Solution

The fourth proportional to 5,758.10, 8,577.72 and 5,583.87 is: 8,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.10 : 8,577.72 = 5,583.87 : x
  2. Step 2: Convert to fraction form
    5,758.10/8,577.72 = 5,583.87/x
  3. Step 3: Cross multiply
    5,758.10x = 8,577.72 × 5,583.87
  4. Step 4: Simplify right side
    5,758.10x = 47,896,830.49
  5. Step 5: Solve for x
    x = 47,896,830.49/5,758.10
  6. Step 6: Final answer
    x = 8,318.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.