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Finding the Fourth Proportional to 14,668,978.40, 22,003,449.06 and 5,571,059.04

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Solution

The fourth proportional to 14,668,978.40, 22,003,449.06 and 5,571,059.04 is: 8,356,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668,978.40 : 22,003,449.06 = 5,571,059.04 : x
  2. Step 2: Convert to fraction form
    14,668,978.40/22,003,449.06 = 5,571,059.04/x
  3. Step 3: Cross multiply
    14,668,978.40x = 22,003,449.06 × 5,571,059.04
  4. Step 4: Simplify right side
    14,668,978.40x = 122,582,513,796,892.50
  5. Step 5: Solve for x
    x = 122,582,513,796,892.50/14,668,978.40
  6. Step 6: Final answer
    x = 8,356,581.52

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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.