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Finding the Fourth Proportional to 34,302.94, 51,540.54 and 21,828.40

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Solution

The fourth proportional to 34,302.94, 51,540.54 and 21,828.40 is: 32,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,302.94 : 51,540.54 = 21,828.40 : x
  2. Step 2: Convert to fraction form
    34,302.94/51,540.54 = 21,828.40/x
  3. Step 3: Cross multiply
    34,302.94x = 51,540.54 × 21,828.40
  4. Step 4: Simplify right side
    34,302.94x = 1,125,047,523.34
  5. Step 5: Solve for x
    x = 1,125,047,523.34/34,302.94
  6. Step 6: Final answer
    x = 32,797.41

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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.