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Finding the Fourth Proportional to 75,463.98, 113,048.06 and 43,807.65

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Solution

The fourth proportional to 75,463.98, 113,048.06 and 43,807.65 is: 65,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,463.98 : 113,048.06 = 43,807.65 : x
  2. Step 2: Convert to fraction form
    75,463.98/113,048.06 = 43,807.65/x
  3. Step 3: Cross multiply
    75,463.98x = 113,048.06 × 43,807.65
  4. Step 4: Simplify right side
    75,463.98x = 4,952,369,626.62
  5. Step 5: Solve for x
    x = 4,952,369,626.62/75,463.98
  6. Step 6: Final answer
    x = 65,625.61

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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.