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Finding the Fourth Proportional to 33,615.76, 46,385.76 and 19,465.84

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Solution

The fourth proportional to 33,615.76, 46,385.76 and 19,465.84 is: 26,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,615.76 : 46,385.76 = 19,465.84 : x
  2. Step 2: Convert to fraction form
    33,615.76/46,385.76 = 19,465.84/x
  3. Step 3: Cross multiply
    33,615.76x = 46,385.76 × 19,465.84
  4. Step 4: Simplify right side
    33,615.76x = 902,937,782.44
  5. Step 5: Solve for x
    x = 902,937,782.44/33,615.76
  6. Step 6: Final answer
    x = 26,860.55

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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.