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Finding the Fourth Proportional to 6,275.40, 9,413.10 and 5,627.40

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Solution

The fourth proportional to 6,275.40, 9,413.10 and 5,627.40 is: 8,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.40 : 9,413.10 = 5,627.40 : x
  2. Step 2: Convert to fraction form
    6,275.40/9,413.10 = 5,627.40/x
  3. Step 3: Cross multiply
    6,275.40x = 9,413.10 × 5,627.40
  4. Step 4: Simplify right side
    6,275.40x = 52,971,278.94
  5. Step 5: Solve for x
    x = 52,971,278.94/6,275.40
  6. Step 6: Final answer
    x = 8,441.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.