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Finding the Fourth Proportional to 10,922,713.40, 16,388,006.70 and 4,537,548.20

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Solution

The fourth proportional to 10,922,713.40, 16,388,006.70 and 4,537,548.20 is: 6,807,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922,713.40 : 16,388,006.70 = 4,537,548.20 : x
  2. Step 2: Convert to fraction form
    10,922,713.40/16,388,006.70 = 4,537,548.20/x
  3. Step 3: Cross multiply
    10,922,713.40x = 16,388,006.70 × 4,537,548.20
  4. Step 4: Simplify right side
    10,922,713.40x = 74,361,370,303,172.94
  5. Step 5: Solve for x
    x = 74,361,370,303,172.94/10,922,713.40
  6. Step 6: Final answer
    x = 6,807,957.65

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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.