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Finding the Fourth Proportional to 56,608.79, 78,100.21 and 33,955.11

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Solution

The fourth proportional to 56,608.79, 78,100.21 and 33,955.11 is: 46,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,608.79 : 78,100.21 = 33,955.11 : x
  2. Step 2: Convert to fraction form
    56,608.79/78,100.21 = 33,955.11/x
  3. Step 3: Cross multiply
    56,608.79x = 78,100.21 × 33,955.11
  4. Step 4: Simplify right side
    56,608.79x = 2,651,901,136.69
  5. Step 5: Solve for x
    x = 2,651,901,136.69/56,608.79
  6. Step 6: Final answer
    x = 46,846.11

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1.5x scale

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.