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Finding the Fourth Proportional to 68,792.92, 94,939.98 and 38,577.76

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Solution

The fourth proportional to 68,792.92, 94,939.98 and 38,577.76 is: 53,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,792.92 : 94,939.98 = 38,577.76 : x
  2. Step 2: Convert to fraction form
    68,792.92/94,939.98 = 38,577.76/x
  3. Step 3: Cross multiply
    68,792.92x = 94,939.98 × 38,577.76
  4. Step 4: Simplify right side
    68,792.92x = 3,662,571,762.84
  5. Step 5: Solve for x
    x = 3,662,571,762.84/68,792.92
  6. Step 6: Final answer
    x = 53,240.53

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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.