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Finding the Fourth Proportional to 71,307.86, 98,415.14 and 41,087.39

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Solution

The fourth proportional to 71,307.86, 98,415.14 and 41,087.39 is: 56,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,307.86 : 98,415.14 = 41,087.39 : x
  2. Step 2: Convert to fraction form
    71,307.86/98,415.14 = 41,087.39/x
  3. Step 3: Cross multiply
    71,307.86x = 98,415.14 × 41,087.39
  4. Step 4: Simplify right side
    71,307.86x = 4,043,620,541.57
  5. Step 5: Solve for x
    x = 4,043,620,541.57/71,307.86
  6. Step 6: Final answer
    x = 56,706.52

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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.