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Finding the Fourth Proportional to 8,473.95, 12,700.67 and 7,477.52

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Solution

The fourth proportional to 8,473.95, 12,700.67 and 7,477.52 is: 11,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.95 : 12,700.67 = 7,477.52 : x
  2. Step 2: Convert to fraction form
    8,473.95/12,700.67 = 7,477.52/x
  3. Step 3: Cross multiply
    8,473.95x = 12,700.67 × 7,477.52
  4. Step 4: Simplify right side
    8,473.95x = 94,969,413.05
  5. Step 5: Solve for x
    x = 94,969,413.05/8,473.95
  6. Step 6: Final answer
    x = 11,207.22

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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.