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Finding the Fourth Proportional to 70,413.33, 97,172.82 and 38,582.22

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Solution

The fourth proportional to 70,413.33, 97,172.82 and 38,582.22 is: 53,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,413.33 : 97,172.82 = 38,582.22 : x
  2. Step 2: Convert to fraction form
    70,413.33/97,172.82 = 38,582.22/x
  3. Step 3: Cross multiply
    70,413.33x = 97,172.82 × 38,582.22
  4. Step 4: Simplify right side
    70,413.33x = 3,749,143,119.26
  5. Step 5: Solve for x
    x = 3,749,143,119.26/70,413.33
  6. Step 6: Final answer
    x = 53,244.79

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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.