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Finding the Fourth Proportional to 35,673.45, 49,230.18 and 19,542.30

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Solution

The fourth proportional to 35,673.45, 49,230.18 and 19,542.30 is: 26,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,673.45 : 49,230.18 = 19,542.30 : x
  2. Step 2: Convert to fraction form
    35,673.45/49,230.18 = 19,542.30/x
  3. Step 3: Cross multiply
    35,673.45x = 49,230.18 × 19,542.30
  4. Step 4: Simplify right side
    35,673.45x = 962,070,946.61
  5. Step 5: Solve for x
    x = 962,070,946.61/35,673.45
  6. Step 6: Final answer
    x = 26,968.82

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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.