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Finding the Fourth Proportional to 70,494.12, 97,205.88 and 53,529.48

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Solution

The fourth proportional to 70,494.12, 97,205.88 and 53,529.48 is: 73,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,494.12 : 97,205.88 = 53,529.48 : x
  2. Step 2: Convert to fraction form
    70,494.12/97,205.88 = 53,529.48/x
  3. Step 3: Cross multiply
    70,494.12x = 97,205.88 × 53,529.48
  4. Step 4: Simplify right side
    70,494.12x = 5,203,380,209.34
  5. Step 5: Solve for x
    x = 5,203,380,209.34/70,494.12
  6. Step 6: Final answer
    x = 73,812.97

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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.