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Finding the Fourth Proportional to 3,545.49, 4,893 and 1,973.58

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Solution

The fourth proportional to 3,545.49, 4,893 and 1,973.58 is: 2,723.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.49 : 4,893 = 1,973.58 : x
  2. Step 2: Convert to fraction form
    3,545.49/4,893 = 1,973.58/x
  3. Step 3: Cross multiply
    3,545.49x = 4,893 × 1,973.58
  4. Step 4: Simplify right side
    3,545.49x = 9,656,726.94
  5. Step 5: Solve for x
    x = 9,656,726.94/3,545.49
  6. Step 6: Final answer
    x = 2,723.66

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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.