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Finding the Fourth Proportional to 61,395.64, 84,719.12 and 34,537.59

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Solution

The fourth proportional to 61,395.64, 84,719.12 and 34,537.59 is: 47,658.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,395.64 : 84,719.12 = 34,537.59 : x
  2. Step 2: Convert to fraction form
    61,395.64/84,719.12 = 34,537.59/x
  3. Step 3: Cross multiply
    61,395.64x = 84,719.12 × 34,537.59
  4. Step 4: Simplify right side
    61,395.64x = 2,925,994,059.03
  5. Step 5: Solve for x
    x = 2,925,994,059.03/61,395.64
  6. Step 6: Final answer
    x = 47,658.01

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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.