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Finding the Fourth Proportional to 55,797.04, 77,016.98 and 33,139.72

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Solution

The fourth proportional to 55,797.04, 77,016.98 and 33,139.72 is: 45,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,797.04 : 77,016.98 = 33,139.72 : x
  2. Step 2: Convert to fraction form
    55,797.04/77,016.98 = 33,139.72/x
  3. Step 3: Cross multiply
    55,797.04x = 77,016.98 × 33,139.72
  4. Step 4: Simplify right side
    55,797.04x = 2,552,320,601.66
  5. Step 5: Solve for x
    x = 2,552,320,601.66/55,797.04
  6. Step 6: Final answer
    x = 45,742.94

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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.