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Finding the Fourth Proportional to 45,606.94, 62,938.62 and 28,611.88

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Solution

The fourth proportional to 45,606.94, 62,938.62 and 28,611.88 is: 39,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,606.94 : 62,938.62 = 28,611.88 : x
  2. Step 2: Convert to fraction form
    45,606.94/62,938.62 = 28,611.88/x
  3. Step 3: Cross multiply
    45,606.94x = 62,938.62 × 28,611.88
  4. Step 4: Simplify right side
    45,606.94x = 1,800,792,242.81
  5. Step 5: Solve for x
    x = 1,800,792,242.81/45,606.94
  6. Step 6: Final answer
    x = 39,485.05

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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.