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Finding the Fourth Proportional to 42,450.56, 63,702.56 and 23,742.84

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Solution

The fourth proportional to 42,450.56, 63,702.56 and 23,742.84 is: 35,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,450.56 : 63,702.56 = 23,742.84 : x
  2. Step 2: Convert to fraction form
    42,450.56/63,702.56 = 23,742.84/x
  3. Step 3: Cross multiply
    42,450.56x = 63,702.56 × 23,742.84
  4. Step 4: Simplify right side
    42,450.56x = 1,512,479,689.67
  5. Step 5: Solve for x
    x = 1,512,479,689.67/42,450.56
  6. Step 6: Final answer
    x = 35,629.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.