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Finding the Fourth Proportional to 34,015.52, 51,020.40 and 11,823.20

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Solution

The fourth proportional to 34,015.52, 51,020.40 and 11,823.20 is: 17,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,015.52 : 51,020.40 = 11,823.20 : x
  2. Step 2: Convert to fraction form
    34,015.52/51,020.40 = 11,823.20/x
  3. Step 3: Cross multiply
    34,015.52x = 51,020.40 × 11,823.20
  4. Step 4: Simplify right side
    34,015.52x = 603,224,393.28
  5. Step 5: Solve for x
    x = 603,224,393.28/34,015.52
  6. Step 6: Final answer
    x = 17,733.80

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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.