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Finding the Fourth Proportional to 61,034.89, 91,494.60 and 46,018.69

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Solution

The fourth proportional to 61,034.89, 91,494.60 and 46,018.69 is: 68,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,034.89 : 91,494.60 = 46,018.69 : x
  2. Step 2: Convert to fraction form
    61,034.89/91,494.60 = 46,018.69/x
  3. Step 3: Cross multiply
    61,034.89x = 91,494.60 × 46,018.69
  4. Step 4: Simplify right side
    61,034.89x = 4,210,461,634.07
  5. Step 5: Solve for x
    x = 4,210,461,634.07/61,034.89
  6. Step 6: Final answer
    x = 68,984.50

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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.