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Finding the Fourth Proportional to 46,643.52, 69,943.40 and 17,040.65

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Solution

The fourth proportional to 46,643.52, 69,943.40 and 17,040.65 is: 25,552.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,643.52 : 69,943.40 = 17,040.65 : x
  2. Step 2: Convert to fraction form
    46,643.52/69,943.40 = 17,040.65/x
  3. Step 3: Cross multiply
    46,643.52x = 69,943.40 × 17,040.65
  4. Step 4: Simplify right side
    46,643.52x = 1,191,881,218.34
  5. Step 5: Solve for x
    x = 1,191,881,218.34/46,643.52
  6. Step 6: Final answer
    x = 25,552.99

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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.