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Finding the Fourth Proportional to 73,717.98, 110,554.29 and 21,113.34

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Solution

The fourth proportional to 73,717.98, 110,554.29 and 21,113.34 is: 31,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,717.98 : 110,554.29 = 21,113.34 : x
  2. Step 2: Convert to fraction form
    73,717.98/110,554.29 = 21,113.34/x
  3. Step 3: Cross multiply
    73,717.98x = 110,554.29 × 21,113.34
  4. Step 4: Simplify right side
    73,717.98x = 2,334,170,313.23
  5. Step 5: Solve for x
    x = 2,334,170,313.23/73,717.98
  6. Step 6: Final answer
    x = 31,663.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.