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Finding the Fourth Proportional to 58,440.91, 80,661.87 and 35,792.38

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Solution

The fourth proportional to 58,440.91, 80,661.87 and 35,792.38 is: 49,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,440.91 : 80,661.87 = 35,792.38 : x
  2. Step 2: Convert to fraction form
    58,440.91/80,661.87 = 35,792.38/x
  3. Step 3: Cross multiply
    58,440.91x = 80,661.87 × 35,792.38
  4. Step 4: Simplify right side
    58,440.91x = 2,887,080,688.84
  5. Step 5: Solve for x
    x = 2,887,080,688.84/58,440.91
  6. Step 6: Final answer
    x = 49,401.71

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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.