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Finding the Fourth Proportional to 61,465, 84,796.68 and 45,370.84

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Solution

The fourth proportional to 61,465, 84,796.68 and 45,370.84 is: 62,593.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,465 : 84,796.68 = 45,370.84 : x
  2. Step 2: Convert to fraction form
    61,465/84,796.68 = 45,370.84/x
  3. Step 3: Cross multiply
    61,465x = 84,796.68 × 45,370.84
  4. Step 4: Simplify right side
    61,465x = 3,847,296,600.81
  5. Step 5: Solve for x
    x = 3,847,296,600.81/61,465
  6. Step 6: Final answer
    x = 62,593.29

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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.