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Finding the Fourth Proportional to 56,336.42, 77,738.86 and 33,670.90

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Solution

The fourth proportional to 56,336.42, 77,738.86 and 33,670.90 is: 46,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,336.42 : 77,738.86 = 33,670.90 : x
  2. Step 2: Convert to fraction form
    56,336.42/77,738.86 = 33,670.90/x
  3. Step 3: Cross multiply
    56,336.42x = 77,738.86 × 33,670.90
  4. Step 4: Simplify right side
    56,336.42x = 2,617,537,381.17
  5. Step 5: Solve for x
    x = 2,617,537,381.17/56,336.42
  6. Step 6: Final answer
    x = 46,462.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.