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Finding the Fourth Proportional to 55,258.94, 82,893.71 and 21,971.59

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Solution

The fourth proportional to 55,258.94, 82,893.71 and 21,971.59 is: 32,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,258.94 : 82,893.71 = 21,971.59 : x
  2. Step 2: Convert to fraction form
    55,258.94/82,893.71 = 21,971.59/x
  3. Step 3: Cross multiply
    55,258.94x = 82,893.71 × 21,971.59
  4. Step 4: Simplify right side
    55,258.94x = 1,821,306,457.39
  5. Step 5: Solve for x
    x = 1,821,306,457.39/55,258.94
  6. Step 6: Final answer
    x = 32,959.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.