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Finding the Fourth Proportional to 8,950.09, 12,350.96 and 4,971.17

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Solution

The fourth proportional to 8,950.09, 12,350.96 and 4,971.17 is: 6,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.09 : 12,350.96 = 4,971.17 : x
  2. Step 2: Convert to fraction form
    8,950.09/12,350.96 = 4,971.17/x
  3. Step 3: Cross multiply
    8,950.09x = 12,350.96 × 4,971.17
  4. Step 4: Simplify right side
    8,950.09x = 61,398,660.07
  5. Step 5: Solve for x
    x = 61,398,660.07/8,950.09
  6. Step 6: Final answer
    x = 6,860.12

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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.