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Finding the Fourth Proportional to 62,499.66, 93,758.71 and 18,120.65

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Solution

The fourth proportional to 62,499.66, 93,758.71 and 18,120.65 is: 27,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,499.66 : 93,758.71 = 18,120.65 : x
  2. Step 2: Convert to fraction form
    62,499.66/93,758.71 = 18,120.65/x
  3. Step 3: Cross multiply
    62,499.66x = 93,758.71 × 18,120.65
  4. Step 4: Simplify right side
    62,499.66x = 1,698,968,768.36
  5. Step 5: Solve for x
    x = 1,698,968,768.36/62,499.66
  6. Step 6: Final answer
    x = 27,183.65

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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.