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Finding the Fourth Proportional to 7,323.68, 10,992.81 and 4,038.32

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Solution

The fourth proportional to 7,323.68, 10,992.81 and 4,038.32 is: 6,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.68 : 10,992.81 = 4,038.32 : x
  2. Step 2: Convert to fraction form
    7,323.68/10,992.81 = 4,038.32/x
  3. Step 3: Cross multiply
    7,323.68x = 10,992.81 × 4,038.32
  4. Step 4: Simplify right side
    7,323.68x = 44,392,409.32
  5. Step 5: Solve for x
    x = 44,392,409.32/7,323.68
  6. Step 6: Final answer
    x = 6,061.49

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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.