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Finding the Fourth Proportional to 14,386.92, 21,578.92 and 4,525.92

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Solution

The fourth proportional to 14,386.92, 21,578.92 and 4,525.92 is: 6,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.92 : 21,578.92 = 4,525.92 : x
  2. Step 2: Convert to fraction form
    14,386.92/21,578.92 = 4,525.92/x
  3. Step 3: Cross multiply
    14,386.92x = 21,578.92 × 4,525.92
  4. Step 4: Simplify right side
    14,386.92x = 97,664,465.61
  5. Step 5: Solve for x
    x = 97,664,465.61/14,386.92
  6. Step 6: Final answer
    x = 6,788.42

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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.