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Finding the Fourth Proportional to 7,281.92, 10,873.52 and 5,784.33

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Solution

The fourth proportional to 7,281.92, 10,873.52 and 5,784.33 is: 8,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.92 : 10,873.52 = 5,784.33 : x
  2. Step 2: Convert to fraction form
    7,281.92/10,873.52 = 5,784.33/x
  3. Step 3: Cross multiply
    7,281.92x = 10,873.52 × 5,784.33
  4. Step 4: Simplify right side
    7,281.92x = 62,895,958.24
  5. Step 5: Solve for x
    x = 62,895,958.24/7,281.92
  6. Step 6: Final answer
    x = 8,637.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.