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Finding the Fourth Proportional to 16,992,007.20, 25,460,017.20 and 14,472,583.20

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Solution

The fourth proportional to 16,992,007.20, 25,460,017.20 and 14,472,583.20 is: 21,685,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,992,007.20 : 25,460,017.20 = 14,472,583.20 : x
  2. Step 2: Convert to fraction form
    16,992,007.20/25,460,017.20 = 14,472,583.20/x
  3. Step 3: Cross multiply
    16,992,007.20x = 25,460,017.20 × 14,472,583.20
  4. Step 4: Simplify right side
    16,992,007.20x = 368,472,217,200,431
  5. Step 5: Solve for x
    x = 368,472,217,200,431/16,992,007.20
  6. Step 6: Final answer
    x = 21,685,031.84

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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.