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Finding the Fourth Proportional to 34,412.40, 51,625.80 and 11,041.20

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Solution

The fourth proportional to 34,412.40, 51,625.80 and 11,041.20 is: 16,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,412.40 : 51,625.80 = 11,041.20 : x
  2. Step 2: Convert to fraction form
    34,412.40/51,625.80 = 11,041.20/x
  3. Step 3: Cross multiply
    34,412.40x = 51,625.80 × 11,041.20
  4. Step 4: Simplify right side
    34,412.40x = 570,010,782.96
  5. Step 5: Solve for x
    x = 570,010,782.96/34,412.40
  6. Step 6: Final answer
    x = 16,564.11

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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.