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Finding the Fourth Proportional to 5,703.20, 8,513.54 and 4,928.19

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Solution

The fourth proportional to 5,703.20, 8,513.54 and 4,928.19 is: 7,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.20 : 8,513.54 = 4,928.19 : x
  2. Step 2: Convert to fraction form
    5,703.20/8,513.54 = 4,928.19/x
  3. Step 3: Cross multiply
    5,703.20x = 8,513.54 × 4,928.19
  4. Step 4: Simplify right side
    5,703.20x = 41,956,342.69
  5. Step 5: Solve for x
    x = 41,956,342.69/5,703.20
  6. Step 6: Final answer
    x = 7,356.63

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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.