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Finding the Fourth Proportional to 8,229,141.80, 11,492,455 and 8,229,141.80

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Solution

The fourth proportional to 8,229,141.80, 11,492,455 and 8,229,141.80 is: 11,492,455

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229,141.80 : 11,492,455 = 8,229,141.80 : x
  2. Step 2: Convert to fraction form
    8,229,141.80/11,492,455 = 8,229,141.80/x
  3. Step 3: Cross multiply
    8,229,141.80x = 11,492,455 × 8,229,141.80
  4. Step 4: Simplify right side
    8,229,141.80x = 94,573,041,825,119
  5. Step 5: Solve for x
    x = 94,573,041,825,119/8,229,141.80
  6. Step 6: Final answer
    x = 11,492,455

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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.