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Finding the Fourth Proportional to 7,369,206.80, 11,053,810.20 and 6,696,048.20

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Solution

The fourth proportional to 7,369,206.80, 11,053,810.20 and 6,696,048.20 is: 10,044,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369,206.80 : 11,053,810.20 = 6,696,048.20 : x
  2. Step 2: Convert to fraction form
    7,369,206.80/11,053,810.20 = 6,696,048.20/x
  3. Step 3: Cross multiply
    7,369,206.80x = 11,053,810.20 × 6,696,048.20
  4. Step 4: Simplify right side
    7,369,206.80x = 74,016,845,892,851.64
  5. Step 5: Solve for x
    x = 74,016,845,892,851.64/7,369,206.80
  6. Step 6: Final answer
    x = 10,044,072.30

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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.