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Finding the Fourth Proportional to 55,969.71, 77,236.37 and 33,303.48

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Solution

The fourth proportional to 55,969.71, 77,236.37 and 33,303.48 is: 45,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,969.71 : 77,236.37 = 33,303.48 : x
  2. Step 2: Convert to fraction form
    55,969.71/77,236.37 = 33,303.48/x
  3. Step 3: Cross multiply
    55,969.71x = 77,236.37 × 33,303.48
  4. Step 4: Simplify right side
    55,969.71x = 2,572,239,737.05
  5. Step 5: Solve for x
    x = 2,572,239,737.05/55,969.71
  6. Step 6: Final answer
    x = 45,957.71

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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.