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Finding the Fourth Proportional to 35,339.88, 48,769.14 and 19,425.96

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Solution

The fourth proportional to 35,339.88, 48,769.14 and 19,425.96 is: 26,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,339.88 : 48,769.14 = 19,425.96 : x
  2. Step 2: Convert to fraction form
    35,339.88/48,769.14 = 19,425.96/x
  3. Step 3: Cross multiply
    35,339.88x = 48,769.14 × 19,425.96
  4. Step 4: Simplify right side
    35,339.88x = 947,387,362.87
  5. Step 5: Solve for x
    x = 947,387,362.87/35,339.88
  6. Step 6: Final answer
    x = 26,807.88

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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.