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Finding the Fourth Proportional to 9,764,129.60, 14,632,197.60 and 7,185,219.20

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Solution

The fourth proportional to 9,764,129.60, 14,632,197.60 and 7,185,219.20 is: 10,767,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764,129.60 : 14,632,197.60 = 7,185,219.20 : x
  2. Step 2: Convert to fraction form
    9,764,129.60/14,632,197.60 = 7,185,219.20/x
  3. Step 3: Cross multiply
    9,764,129.60x = 14,632,197.60 × 7,185,219.20
  4. Step 4: Simplify right side
    9,764,129.60x = 105,135,547,133,713.92
  5. Step 5: Solve for x
    x = 105,135,547,133,713.92/9,764,129.60
  6. Step 6: Final answer
    x = 10,767,528.85

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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.