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Finding the Fourth Proportional to 35,472.70, 48,952.68 and 19,556.74

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Solution

The fourth proportional to 35,472.70, 48,952.68 and 19,556.74 is: 26,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,472.70 : 48,952.68 = 19,556.74 : x
  2. Step 2: Convert to fraction form
    35,472.70/48,952.68 = 19,556.74/x
  3. Step 3: Cross multiply
    35,472.70x = 48,952.68 × 19,556.74
  4. Step 4: Simplify right side
    35,472.70x = 957,354,835.06
  5. Step 5: Solve for x
    x = 957,354,835.06/35,472.70
  6. Step 6: Final answer
    x = 26,988.50

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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.