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Finding the Fourth Proportional to 14,679,955.90, 22,019,933.85 and 11,656,647.10

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Solution

The fourth proportional to 14,679,955.90, 22,019,933.85 and 11,656,647.10 is: 17,484,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679,955.90 : 22,019,933.85 = 11,656,647.10 : x
  2. Step 2: Convert to fraction form
    14,679,955.90/22,019,933.85 = 11,656,647.10/x
  3. Step 3: Cross multiply
    14,679,955.90x = 22,019,933.85 × 11,656,647.10
  4. Step 4: Simplify right side
    14,679,955.90x = 256,678,598,054,794.34
  5. Step 5: Solve for x
    x = 256,678,598,054,794.34/14,679,955.90
  6. Step 6: Final answer
    x = 17,484,970.65

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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.