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Finding the Fourth Proportional to 16,352, 22,559.94 and 10,690

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Solution

The fourth proportional to 16,352, 22,559.94 and 10,690 is: 14,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,352 : 22,559.94 = 10,690 : x
  2. Step 2: Convert to fraction form
    16,352/22,559.94 = 10,690/x
  3. Step 3: Cross multiply
    16,352x = 22,559.94 × 10,690
  4. Step 4: Simplify right side
    16,352x = 241,165,758.60
  5. Step 5: Solve for x
    x = 241,165,758.60/16,352
  6. Step 6: Final answer
    x = 14,748.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.