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Finding the Fourth Proportional to 35,663.76, 49,216.76 and 19,531.75

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Solution

The fourth proportional to 35,663.76, 49,216.76 and 19,531.75 is: 26,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,663.76 : 49,216.76 = 19,531.75 : x
  2. Step 2: Convert to fraction form
    35,663.76/49,216.76 = 19,531.75/x
  3. Step 3: Cross multiply
    35,663.76x = 49,216.76 × 19,531.75
  4. Step 4: Simplify right side
    35,663.76x = 961,289,354.47
  5. Step 5: Solve for x
    x = 961,289,354.47/35,663.76
  6. Step 6: Final answer
    x = 26,954.24

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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.