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Finding the Fourth Proportional to 14,735, 22,087.92 and 6,929.84

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Solution

The fourth proportional to 14,735, 22,087.92 and 6,929.84 is: 10,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735 : 22,087.92 = 6,929.84 : x
  2. Step 2: Convert to fraction form
    14,735/22,087.92 = 6,929.84/x
  3. Step 3: Cross multiply
    14,735x = 22,087.92 × 6,929.84
  4. Step 4: Simplify right side
    14,735x = 153,065,751.53
  5. Step 5: Solve for x
    x = 153,065,751.53/14,735
  6. Step 6: Final answer
    x = 10,387.90

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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.