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Finding the Fourth Proportional to 57,893.58, 79,867.78 and 34,009.48

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Solution

The fourth proportional to 57,893.58, 79,867.78 and 34,009.48 is: 46,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,893.58 : 79,867.78 = 34,009.48 : x
  2. Step 2: Convert to fraction form
    57,893.58/79,867.78 = 34,009.48/x
  3. Step 3: Cross multiply
    57,893.58x = 79,867.78 × 34,009.48
  4. Step 4: Simplify right side
    57,893.58x = 2,716,261,381.86
  5. Step 5: Solve for x
    x = 2,716,261,381.86/57,893.58
  6. Step 6: Final answer
    x = 46,918.18

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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.