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Finding the Fourth Proportional to 33,113, 45,705.66 and 19,693.76

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Solution

The fourth proportional to 33,113, 45,705.66 and 19,693.76 is: 27,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,113 : 45,705.66 = 19,693.76 : x
  2. Step 2: Convert to fraction form
    33,113/45,705.66 = 19,693.76/x
  3. Step 3: Cross multiply
    33,113x = 45,705.66 × 19,693.76
  4. Step 4: Simplify right side
    33,113x = 900,116,298.68
  5. Step 5: Solve for x
    x = 900,116,298.68/33,113
  6. Step 6: Final answer
    x = 27,183.17

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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.