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Finding the Fourth Proportional to 55,993.74, 77,236.62 and 33,317.40

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Solution

The fourth proportional to 55,993.74, 77,236.62 and 33,317.40 is: 45,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,993.74 : 77,236.62 = 33,317.40 : x
  2. Step 2: Convert to fraction form
    55,993.74/77,236.62 = 33,317.40/x
  3. Step 3: Cross multiply
    55,993.74x = 77,236.62 × 33,317.40
  4. Step 4: Simplify right side
    55,993.74x = 2,573,323,363.19
  5. Step 5: Solve for x
    x = 2,573,323,363.19/55,993.74
  6. Step 6: Final answer
    x = 45,957.34

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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.