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Finding the Fourth Proportional to 7,950.48, 10,971.10 and 4,413.40

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Solution

The fourth proportional to 7,950.48, 10,971.10 and 4,413.40 is: 6,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.48 : 10,971.10 = 4,413.40 : x
  2. Step 2: Convert to fraction form
    7,950.48/10,971.10 = 4,413.40/x
  3. Step 3: Cross multiply
    7,950.48x = 10,971.10 × 4,413.40
  4. Step 4: Simplify right side
    7,950.48x = 48,419,852.74
  5. Step 5: Solve for x
    x = 48,419,852.74/7,950.48
  6. Step 6: Final answer
    x = 6,090.18

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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.