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Finding the Fourth Proportional to 15,295.40, 22,899.90 and 14,863.40

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Solution

The fourth proportional to 15,295.40, 22,899.90 and 14,863.40 is: 22,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295.40 : 22,899.90 = 14,863.40 : x
  2. Step 2: Convert to fraction form
    15,295.40/22,899.90 = 14,863.40/x
  3. Step 3: Cross multiply
    15,295.40x = 22,899.90 × 14,863.40
  4. Step 4: Simplify right side
    15,295.40x = 340,370,373.66
  5. Step 5: Solve for x
    x = 340,370,373.66/15,295.40
  6. Step 6: Final answer
    x = 22,253.12

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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.