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Finding the Fourth Proportional to 35,453.99, 48,926.32 and 19,321.29

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Solution

The fourth proportional to 35,453.99, 48,926.32 and 19,321.29 is: 26,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,453.99 : 48,926.32 = 19,321.29 : x
  2. Step 2: Convert to fraction form
    35,453.99/48,926.32 = 19,321.29/x
  3. Step 3: Cross multiply
    35,453.99x = 48,926.32 × 19,321.29
  4. Step 4: Simplify right side
    35,453.99x = 945,319,569.05
  5. Step 5: Solve for x
    x = 945,319,569.05/35,453.99
  6. Step 6: Final answer
    x = 26,663.28

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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.