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Finding the Fourth Proportional to 17,673.40, 26,510.10 and 11,015.20

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Solution

The fourth proportional to 17,673.40, 26,510.10 and 11,015.20 is: 16,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,673.40 : 26,510.10 = 11,015.20 : x
  2. Step 2: Convert to fraction form
    17,673.40/26,510.10 = 11,015.20/x
  3. Step 3: Cross multiply
    17,673.40x = 26,510.10 × 11,015.20
  4. Step 4: Simplify right side
    17,673.40x = 292,014,053.52
  5. Step 5: Solve for x
    x = 292,014,053.52/17,673.40
  6. Step 6: Final answer
    x = 16,522.80

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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.