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Finding the Fourth Proportional to 41,506.56, 57,261.60 and 28,938.60

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Solution

The fourth proportional to 41,506.56, 57,261.60 and 28,938.60 is: 39,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,506.56 : 57,261.60 = 28,938.60 : x
  2. Step 2: Convert to fraction form
    41,506.56/57,261.60 = 28,938.60/x
  3. Step 3: Cross multiply
    41,506.56x = 57,261.60 × 28,938.60
  4. Step 4: Simplify right side
    41,506.56x = 1,657,070,537.76
  5. Step 5: Solve for x
    x = 1,657,070,537.76/41,506.56
  6. Step 6: Final answer
    x = 39,923.10

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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.