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Finding the Fourth Proportional to 70,503.93, 97,307.87 and 41,839.40

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Solution

The fourth proportional to 70,503.93, 97,307.87 and 41,839.40 is: 57,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,503.93 : 97,307.87 = 41,839.40 : x
  2. Step 2: Convert to fraction form
    70,503.93/97,307.87 = 41,839.40/x
  3. Step 3: Cross multiply
    70,503.93x = 97,307.87 × 41,839.40
  4. Step 4: Simplify right side
    70,503.93x = 4,071,302,930.15
  5. Step 5: Solve for x
    x = 4,071,302,930.15/70,503.93
  6. Step 6: Final answer
    x = 57,745.76

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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.