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Finding the Fourth Proportional to 68,352.47, 94,319.87 and 41,509.67

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Solution

The fourth proportional to 68,352.47, 94,319.87 and 41,509.67 is: 57,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,352.47 : 94,319.87 = 41,509.67 : x
  2. Step 2: Convert to fraction form
    68,352.47/94,319.87 = 41,509.67/x
  3. Step 3: Cross multiply
    68,352.47x = 94,319.87 × 41,509.67
  4. Step 4: Simplify right side
    68,352.47x = 3,915,186,706.39
  5. Step 5: Solve for x
    x = 3,915,186,706.39/68,352.47
  6. Step 6: Final answer
    x = 57,279.38

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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.