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Finding the Fourth Proportional to 34,322.40, 51,488.40 and 14,600.80

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Solution

The fourth proportional to 34,322.40, 51,488.40 and 14,600.80 is: 21,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,322.40 : 51,488.40 = 14,600.80 : x
  2. Step 2: Convert to fraction form
    34,322.40/51,488.40 = 14,600.80/x
  3. Step 3: Cross multiply
    34,322.40x = 51,488.40 × 14,600.80
  4. Step 4: Simplify right side
    34,322.40x = 751,771,830.72
  5. Step 5: Solve for x
    x = 751,771,830.72/34,322.40
  6. Step 6: Final answer
    x = 21,903.24

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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.