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Finding the Fourth Proportional to 14,916,007.90, 20,939,098.10 and 14,916,007.90

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Solution

The fourth proportional to 14,916,007.90, 20,939,098.10 and 14,916,007.90 is: 20,939,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,916,007.90 : 20,939,098.10 = 14,916,007.90 : x
  2. Step 2: Convert to fraction form
    14,916,007.90/20,939,098.10 = 14,916,007.90/x
  3. Step 3: Cross multiply
    14,916,007.90x = 20,939,098.10 × 14,916,007.90
  4. Step 4: Simplify right side
    14,916,007.90x = 312,327,752,678,475
  5. Step 5: Solve for x
    x = 312,327,752,678,475/14,916,007.90
  6. Step 6: Final answer
    x = 20,939,098.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.