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Finding the Fourth Proportional to 29,100.97, 40,148.82 and 19,035.16

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Solution

The fourth proportional to 29,100.97, 40,148.82 and 19,035.16 is: 26,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,100.97 : 40,148.82 = 19,035.16 : x
  2. Step 2: Convert to fraction form
    29,100.97/40,148.82 = 19,035.16/x
  3. Step 3: Cross multiply
    29,100.97x = 40,148.82 × 19,035.16
  4. Step 4: Simplify right side
    29,100.97x = 764,239,212.51
  5. Step 5: Solve for x
    x = 764,239,212.51/29,100.97
  6. Step 6: Final answer
    x = 26,261.64

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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.