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Finding the Fourth Proportional to 46,342.88, 69,531.72 and 21,394.88

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Solution

The fourth proportional to 46,342.88, 69,531.72 and 21,394.88 is: 32,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,342.88 : 69,531.72 = 21,394.88 : x
  2. Step 2: Convert to fraction form
    46,342.88/69,531.72 = 21,394.88/x
  3. Step 3: Cross multiply
    46,342.88x = 69,531.72 × 21,394.88
  4. Step 4: Simplify right side
    46,342.88x = 1,487,622,805.59
  5. Step 5: Solve for x
    x = 1,487,622,805.59/46,342.88
  6. Step 6: Final answer
    x = 32,100.35

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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.