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Finding the Fourth Proportional to 30,193.40, 41,668.80 and 17,448.92

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Solution

The fourth proportional to 30,193.40, 41,668.80 and 17,448.92 is: 24,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193.40 : 41,668.80 = 17,448.92 : x
  2. Step 2: Convert to fraction form
    30,193.40/41,668.80 = 17,448.92/x
  3. Step 3: Cross multiply
    30,193.40x = 41,668.80 × 17,448.92
  4. Step 4: Simplify right side
    30,193.40x = 727,075,557.70
  5. Step 5: Solve for x
    x = 727,075,557.70/30,193.40
  6. Step 6: Final answer
    x = 24,080.61

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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.