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Finding the Fourth Proportional to 70,525.60, 97,323.55 and 39,480.41

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Solution

The fourth proportional to 70,525.60, 97,323.55 and 39,480.41 is: 54,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,525.60 : 97,323.55 = 39,480.41 : x
  2. Step 2: Convert to fraction form
    70,525.60/97,323.55 = 39,480.41/x
  3. Step 3: Cross multiply
    70,525.60x = 97,323.55 × 39,480.41
  4. Step 4: Simplify right side
    70,525.60x = 3,842,373,801.26
  5. Step 5: Solve for x
    x = 3,842,373,801.26/70,525.60
  6. Step 6: Final answer
    x = 54,481.97

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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.