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Finding the Fourth Proportional to 49,751.70, 74,606.49 and 14,681.94

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Solution

The fourth proportional to 49,751.70, 74,606.49 and 14,681.94 is: 22,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,751.70 : 74,606.49 = 14,681.94 : x
  2. Step 2: Convert to fraction form
    49,751.70/74,606.49 = 14,681.94/x
  3. Step 3: Cross multiply
    49,751.70x = 74,606.49 × 14,681.94
  4. Step 4: Simplify right side
    49,751.70x = 1,095,368,009.79
  5. Step 5: Solve for x
    x = 1,095,368,009.79/49,751.70
  6. Step 6: Final answer
    x = 22,016.70

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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.