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Finding the Fourth Proportional to 60,912.83, 84,059.15 and 33,688.91

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Solution

The fourth proportional to 60,912.83, 84,059.15 and 33,688.91 is: 46,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,912.83 : 84,059.15 = 33,688.91 : x
  2. Step 2: Convert to fraction form
    60,912.83/84,059.15 = 33,688.91/x
  3. Step 3: Cross multiply
    60,912.83x = 84,059.15 × 33,688.91
  4. Step 4: Simplify right side
    60,912.83x = 2,831,860,550.29
  5. Step 5: Solve for x
    x = 2,831,860,550.29/60,912.83
  6. Step 6: Final answer
    x = 46,490.38

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1.5x scale

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.