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Finding the Fourth Proportional to 9,197,798.04, 12,693,353.58 and 5,123,418.84

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Solution

The fourth proportional to 9,197,798.04, 12,693,353.58 and 5,123,418.84 is: 7,070,536.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197,798.04 : 12,693,353.58 = 5,123,418.84 : x
  2. Step 2: Convert to fraction form
    9,197,798.04/12,693,353.58 = 5,123,418.84/x
  3. Step 3: Cross multiply
    9,197,798.04x = 12,693,353.58 × 5,123,418.84
  4. Step 4: Simplify right side
    9,197,798.04x = 65,033,366,874,553.45
  5. Step 5: Solve for x
    x = 65,033,366,874,553.45/9,197,798.04
  6. Step 6: Final answer
    x = 7,070,536.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.