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Finding the Fourth Proportional to 35,663.51, 49,216.41 and 19,531.50

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Solution

The fourth proportional to 35,663.51, 49,216.41 and 19,531.50 is: 26,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,663.51 : 49,216.41 = 19,531.50 : x
  2. Step 2: Convert to fraction form
    35,663.51/49,216.41 = 19,531.50/x
  3. Step 3: Cross multiply
    35,663.51x = 49,216.41 × 19,531.50
  4. Step 4: Simplify right side
    35,663.51x = 961,270,311.92
  5. Step 5: Solve for x
    x = 961,270,311.92/35,663.51
  6. Step 6: Final answer
    x = 26,953.89

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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.