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Finding the Fourth Proportional to 43,465.94, 59,978.85 and 34,535.06

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Solution

The fourth proportional to 43,465.94, 59,978.85 and 34,535.06 is: 47,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,465.94 : 59,978.85 = 34,535.06 : x
  2. Step 2: Convert to fraction form
    43,465.94/59,978.85 = 34,535.06/x
  3. Step 3: Cross multiply
    43,465.94x = 59,978.85 × 34,535.06
  4. Step 4: Simplify right side
    43,465.94x = 2,071,373,183.48
  5. Step 5: Solve for x
    x = 2,071,373,183.48/43,465.94
  6. Step 6: Final answer
    x = 47,655.09

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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.