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Finding the Fourth Proportional to 71,293.88, 98,407.48 and 41,099.40

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Solution

The fourth proportional to 71,293.88, 98,407.48 and 41,099.40 is: 56,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,293.88 : 98,407.48 = 41,099.40 : x
  2. Step 2: Convert to fraction form
    71,293.88/98,407.48 = 41,099.40/x
  3. Step 3: Cross multiply
    71,293.88x = 98,407.48 × 41,099.40
  4. Step 4: Simplify right side
    71,293.88x = 4,044,488,383.51
  5. Step 5: Solve for x
    x = 4,044,488,383.51/71,293.88
  6. Step 6: Final answer
    x = 56,729.81

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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.