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Finding the Fourth Proportional to 35,545.68, 49,053.18 and 19,630.68

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Solution

The fourth proportional to 35,545.68, 49,053.18 and 19,630.68 is: 27,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,545.68 : 49,053.18 = 19,630.68 : x
  2. Step 2: Convert to fraction form
    35,545.68/49,053.18 = 19,630.68/x
  3. Step 3: Cross multiply
    35,545.68x = 49,053.18 × 19,630.68
  4. Step 4: Simplify right side
    35,545.68x = 962,947,279.56
  5. Step 5: Solve for x
    x = 962,947,279.56/35,545.68
  6. Step 6: Final answer
    x = 27,090.42

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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.