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Finding the Fourth Proportional to 62,396.88, 86,173.08 and 53,882.16

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Solution

The fourth proportional to 62,396.88, 86,173.08 and 53,882.16 is: 74,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,396.88 : 86,173.08 = 53,882.16 : x
  2. Step 2: Convert to fraction form
    62,396.88/86,173.08 = 53,882.16/x
  3. Step 3: Cross multiply
    62,396.88x = 86,173.08 × 53,882.16
  4. Step 4: Simplify right side
    62,396.88x = 4,643,191,684.25
  5. Step 5: Solve for x
    x = 4,643,191,684.25/62,396.88
  6. Step 6: Final answer
    x = 74,413.84

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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.