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Finding the Fourth Proportional to 48,908.99, 66,988.71 and 46,036.50

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Solution

The fourth proportional to 48,908.99, 66,988.71 and 46,036.50 is: 63,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,908.99 : 66,988.71 = 46,036.50 : x
  2. Step 2: Convert to fraction form
    48,908.99/66,988.71 = 46,036.50/x
  3. Step 3: Cross multiply
    48,908.99x = 66,988.71 × 46,036.50
  4. Step 4: Simplify right side
    48,908.99x = 3,083,925,576.98
  5. Step 5: Solve for x
    x = 3,083,925,576.98/48,908.99
  6. Step 6: Final answer
    x = 63,054.37

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.