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Finding the Fourth Proportional to 4,648.91, 6,973.98 and 1,726.84

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Solution

The fourth proportional to 4,648.91, 6,973.98 and 1,726.84 is: 2,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.91 : 6,973.98 = 1,726.84 : x
  2. Step 2: Convert to fraction form
    4,648.91/6,973.98 = 1,726.84/x
  3. Step 3: Cross multiply
    4,648.91x = 6,973.98 × 1,726.84
  4. Step 4: Simplify right side
    4,648.91x = 12,042,904.12
  5. Step 5: Solve for x
    x = 12,042,904.12/4,648.91
  6. Step 6: Final answer
    x = 2,590.48

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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.