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Finding the Fourth Proportional to 1,482.99, 2,046.68 and 853.54

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Solution

The fourth proportional to 1,482.99, 2,046.68 and 853.54 is: 1,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.99 : 2,046.68 = 853.54 : x
  2. Step 2: Convert to fraction form
    1,482.99/2,046.68 = 853.54/x
  3. Step 3: Cross multiply
    1,482.99x = 2,046.68 × 853.54
  4. Step 4: Simplify right side
    1,482.99x = 1,746,924.74
  5. Step 5: Solve for x
    x = 1,746,924.74/1,482.99
  6. Step 6: Final answer
    x = 1,177.97

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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.