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Finding the Fourth Proportional to 47,245.69, 70,870.16 and 25,029.01

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Solution

The fourth proportional to 47,245.69, 70,870.16 and 25,029.01 is: 37,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,245.69 : 70,870.16 = 25,029.01 : x
  2. Step 2: Convert to fraction form
    47,245.69/70,870.16 = 25,029.01/x
  3. Step 3: Cross multiply
    47,245.69x = 70,870.16 × 25,029.01
  4. Step 4: Simplify right side
    47,245.69x = 1,773,809,943.34
  5. Step 5: Solve for x
    x = 1,773,809,943.34/47,245.69
  6. Step 6: Final answer
    x = 37,544.38

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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.