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Finding the Fourth Proportional to 30,474.58, 42,058.82 and 17,046.58

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Solution

The fourth proportional to 30,474.58, 42,058.82 and 17,046.58 is: 23,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.58 : 42,058.82 = 17,046.58 : x
  2. Step 2: Convert to fraction form
    30,474.58/42,058.82 = 17,046.58/x
  3. Step 3: Cross multiply
    30,474.58x = 42,058.82 × 17,046.58
  4. Step 4: Simplify right side
    30,474.58x = 716,959,039.84
  5. Step 5: Solve for x
    x = 716,959,039.84/30,474.58
  6. Step 6: Final answer
    x = 23,526.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.