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Finding the Fourth Proportional to 47,326.20, 70,913.70 and 25,110.60

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Solution

The fourth proportional to 47,326.20, 70,913.70 and 25,110.60 is: 37,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,326.20 : 70,913.70 = 25,110.60 : x
  2. Step 2: Convert to fraction form
    47,326.20/70,913.70 = 25,110.60/x
  3. Step 3: Cross multiply
    47,326.20x = 70,913.70 × 25,110.60
  4. Step 4: Simplify right side
    47,326.20x = 1,780,685,555.22
  5. Step 5: Solve for x
    x = 1,780,685,555.22/47,326.20
  6. Step 6: Final answer
    x = 37,625.79

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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.