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Finding the Fourth Proportional to 60,495.56, 83,485.32 and 33,639.20

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Solution

The fourth proportional to 60,495.56, 83,485.32 and 33,639.20 is: 46,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,495.56 : 83,485.32 = 33,639.20 : x
  2. Step 2: Convert to fraction form
    60,495.56/83,485.32 = 33,639.20/x
  3. Step 3: Cross multiply
    60,495.56x = 83,485.32 × 33,639.20
  4. Step 4: Simplify right side
    60,495.56x = 2,808,379,376.54
  5. Step 5: Solve for x
    x = 2,808,379,376.54/60,495.56
  6. Step 6: Final answer
    x = 46,422.90

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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.