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Finding the Fourth Proportional to 46,053.65, 69,072.76 and 12,777.08

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Solution

The fourth proportional to 46,053.65, 69,072.76 and 12,777.08 is: 19,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,053.65 : 69,072.76 = 12,777.08 : x
  2. Step 2: Convert to fraction form
    46,053.65/69,072.76 = 12,777.08/x
  3. Step 3: Cross multiply
    46,053.65x = 69,072.76 × 12,777.08
  4. Step 4: Simplify right side
    46,053.65x = 882,548,321.08
  5. Step 5: Solve for x
    x = 882,548,321.08/46,053.65
  6. Step 6: Final answer
    x = 19,163.48

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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.