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Finding the Fourth Proportional to 7,969.41, 10,998.05 and 4,384.51

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Solution

The fourth proportional to 7,969.41, 10,998.05 and 4,384.51 is: 6,050.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.41 : 10,998.05 = 4,384.51 : x
  2. Step 2: Convert to fraction form
    7,969.41/10,998.05 = 4,384.51/x
  3. Step 3: Cross multiply
    7,969.41x = 10,998.05 × 4,384.51
  4. Step 4: Simplify right side
    7,969.41x = 48,221,060.21
  5. Step 5: Solve for x
    x = 48,221,060.21/7,969.41
  6. Step 6: Final answer
    x = 6,050.77

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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.