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Finding the Fourth Proportional to 4,695.99, 6,482.79 and 2,928.15

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Solution

The fourth proportional to 4,695.99, 6,482.79 and 2,928.15 is: 4,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.99 : 6,482.79 = 2,928.15 : x
  2. Step 2: Convert to fraction form
    4,695.99/6,482.79 = 2,928.15/x
  3. Step 3: Cross multiply
    4,695.99x = 6,482.79 × 2,928.15
  4. Step 4: Simplify right side
    4,695.99x = 18,982,581.54
  5. Step 5: Solve for x
    x = 18,982,581.54/4,695.99
  6. Step 6: Final answer
    x = 4,042.30

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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.