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Finding the Fourth Proportional to 63,154.56, 87,156.48 and 41,897.60

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Solution

The fourth proportional to 63,154.56, 87,156.48 and 41,897.60 is: 57,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,154.56 : 87,156.48 = 41,897.60 : x
  2. Step 2: Convert to fraction form
    63,154.56/87,156.48 = 41,897.60/x
  3. Step 3: Cross multiply
    63,154.56x = 87,156.48 × 41,897.60
  4. Step 4: Simplify right side
    63,154.56x = 3,651,647,336.45
  5. Step 5: Solve for x
    x = 3,651,647,336.45/63,154.56
  6. Step 6: Final answer
    x = 57,820.80

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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.