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Finding the Fourth Proportional to 5,758.39, 8,636.55 and 1,541.65

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Solution

The fourth proportional to 5,758.39, 8,636.55 and 1,541.65 is: 2,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.39 : 8,636.55 = 1,541.65 : x
  2. Step 2: Convert to fraction form
    5,758.39/8,636.55 = 1,541.65/x
  3. Step 3: Cross multiply
    5,758.39x = 8,636.55 × 1,541.65
  4. Step 4: Simplify right side
    5,758.39x = 13,314,537.31
  5. Step 5: Solve for x
    x = 13,314,537.31/5,758.39
  6. Step 6: Final answer
    x = 2,312.20

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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.