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Finding the Fourth Proportional to 35,129.37, 48,477.93 and 19,213.48

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Solution

The fourth proportional to 35,129.37, 48,477.93 and 19,213.48 is: 26,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.37 : 48,477.93 = 19,213.48 : x
  2. Step 2: Convert to fraction form
    35,129.37/48,477.93 = 19,213.48/x
  3. Step 3: Cross multiply
    35,129.37x = 48,477.93 × 19,213.48
  4. Step 4: Simplify right side
    35,129.37x = 931,429,671.76
  5. Step 5: Solve for x
    x = 931,429,671.76/35,129.37
  6. Step 6: Final answer
    x = 26,514.27

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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.