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Finding the Fourth Proportional to 61,821, 85,313.04 and 33,526.70

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Solution

The fourth proportional to 61,821, 85,313.04 and 33,526.70 is: 46,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,821 : 85,313.04 = 33,526.70 : x
  2. Step 2: Convert to fraction form
    61,821/85,313.04 = 33,526.70/x
  3. Step 3: Cross multiply
    61,821x = 85,313.04 × 33,526.70
  4. Step 4: Simplify right side
    61,821x = 2,860,264,698.17
  5. Step 5: Solve for x
    x = 2,860,264,698.17/61,821
  6. Step 6: Final answer
    x = 46,266.88

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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.