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Finding the Fourth Proportional to 52,212.59, 72,052.60 and 29,555.88

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Solution

The fourth proportional to 52,212.59, 72,052.60 and 29,555.88 is: 40,786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.59 : 72,052.60 = 29,555.88 : x
  2. Step 2: Convert to fraction form
    52,212.59/72,052.60 = 29,555.88/x
  3. Step 3: Cross multiply
    52,212.59x = 72,052.60 × 29,555.88
  4. Step 4: Simplify right side
    52,212.59x = 2,129,577,851.51
  5. Step 5: Solve for x
    x = 2,129,577,851.51/52,212.59
  6. Step 6: Final answer
    x = 40,786.67

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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.