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Finding the Fourth Proportional to 9,360,983.20, 14,041,474.80 and 7,471,415.20

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Solution

The fourth proportional to 9,360,983.20, 14,041,474.80 and 7,471,415.20 is: 11,207,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360,983.20 : 14,041,474.80 = 7,471,415.20 : x
  2. Step 2: Convert to fraction form
    9,360,983.20/14,041,474.80 = 7,471,415.20/x
  3. Step 3: Cross multiply
    9,360,983.20x = 14,041,474.80 × 7,471,415.20
  4. Step 4: Simplify right side
    9,360,983.20x = 104,909,688,251,136.97
  5. Step 5: Solve for x
    x = 104,909,688,251,136.97/9,360,983.20
  6. Step 6: Final answer
    x = 11,207,122.80

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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.