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Finding the Fourth Proportional to 34,763.48, 47,973.32 and 19,659.11

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Solution

The fourth proportional to 34,763.48, 47,973.32 and 19,659.11 is: 27,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,763.48 : 47,973.32 = 19,659.11 : x
  2. Step 2: Convert to fraction form
    34,763.48/47,973.32 = 19,659.11/x
  3. Step 3: Cross multiply
    34,763.48x = 47,973.32 × 19,659.11
  4. Step 4: Simplify right side
    34,763.48x = 943,112,944.03
  5. Step 5: Solve for x
    x = 943,112,944.03/34,763.48
  6. Step 6: Final answer
    x = 27,129.42

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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.