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Finding the Fourth Proportional to 4,698.97, 7,046.20 and 1,578.10

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Solution

The fourth proportional to 4,698.97, 7,046.20 and 1,578.10 is: 2,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698.97 : 7,046.20 = 1,578.10 : x
  2. Step 2: Convert to fraction form
    4,698.97/7,046.20 = 1,578.10/x
  3. Step 3: Cross multiply
    4,698.97x = 7,046.20 × 1,578.10
  4. Step 4: Simplify right side
    4,698.97x = 11,119,637.68
  5. Step 5: Solve for x
    x = 11,119,637.68/4,698.97
  6. Step 6: Final answer
    x = 2,366.40

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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.