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Finding the Fourth Proportional to 46,820, 70,236.99 and 17,235.56

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Solution

The fourth proportional to 46,820, 70,236.99 and 17,235.56 is: 25,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,820 : 70,236.99 = 17,235.56 : x
  2. Step 2: Convert to fraction form
    46,820/70,236.99 = 17,235.56/x
  3. Step 3: Cross multiply
    46,820x = 70,236.99 × 17,235.56
  4. Step 4: Simplify right side
    46,820x = 1,210,573,855.36
  5. Step 5: Solve for x
    x = 1,210,573,855.36/46,820
  6. Step 6: Final answer
    x = 25,855.91

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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.