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Finding the Fourth Proportional to 3,458.51, 4,772.97 and 1,966.57

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Solution

The fourth proportional to 3,458.51, 4,772.97 and 1,966.57 is: 2,714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.51 : 4,772.97 = 1,966.57 : x
  2. Step 2: Convert to fraction form
    3,458.51/4,772.97 = 1,966.57/x
  3. Step 3: Cross multiply
    3,458.51x = 4,772.97 × 1,966.57
  4. Step 4: Simplify right side
    3,458.51x = 9,386,379.61
  5. Step 5: Solve for x
    x = 9,386,379.61/3,458.51
  6. Step 6: Final answer
    x = 2,714.00

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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.