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Finding the Fourth Proportional to 49,187.65, 73,785.53 and 15,913.06

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Solution

The fourth proportional to 49,187.65, 73,785.53 and 15,913.06 is: 23,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,187.65 : 73,785.53 = 15,913.06 : x
  2. Step 2: Convert to fraction form
    49,187.65/73,785.53 = 15,913.06/x
  3. Step 3: Cross multiply
    49,187.65x = 73,785.53 × 15,913.06
  4. Step 4: Simplify right side
    49,187.65x = 1,174,153,566.02
  5. Step 5: Solve for x
    x = 1,174,153,566.02/49,187.65
  6. Step 6: Final answer
    x = 23,870.90

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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.