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Finding the Fourth Proportional to 22,101.54, 30,510.99 and 17,312.96

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Solution

The fourth proportional to 22,101.54, 30,510.99 and 17,312.96 is: 23,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.54 : 30,510.99 = 17,312.96 : x
  2. Step 2: Convert to fraction form
    22,101.54/30,510.99 = 17,312.96/x
  3. Step 3: Cross multiply
    22,101.54x = 30,510.99 × 17,312.96
  4. Step 4: Simplify right side
    22,101.54x = 528,235,396.88
  5. Step 5: Solve for x
    x = 528,235,396.88/22,101.54
  6. Step 6: Final answer
    x = 23,900.39

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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.