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Finding the Fourth Proportional to 64,801.60, 97,125.60 and 33,620.80

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Solution

The fourth proportional to 64,801.60, 97,125.60 and 33,620.80 is: 50,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,801.60 : 97,125.60 = 33,620.80 : x
  2. Step 2: Convert to fraction form
    64,801.60/97,125.60 = 33,620.80/x
  3. Step 3: Cross multiply
    64,801.60x = 97,125.60 × 33,620.80
  4. Step 4: Simplify right side
    64,801.60x = 3,265,440,372.48
  5. Step 5: Solve for x
    x = 3,265,440,372.48/64,801.60
  6. Step 6: Final answer
    x = 50,391.35

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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.