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Finding the Fourth Proportional to 4,952,327.40, 7,428,491.10 and 4,952,327.40

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Solution

The fourth proportional to 4,952,327.40, 7,428,491.10 and 4,952,327.40 is: 7,428,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952,327.40 : 7,428,491.10 = 4,952,327.40 : x
  2. Step 2: Convert to fraction form
    4,952,327.40/7,428,491.10 = 4,952,327.40/x
  3. Step 3: Cross multiply
    4,952,327.40x = 7,428,491.10 × 4,952,327.40
  4. Step 4: Simplify right side
    4,952,327.40x = 36,788,320,015,186.14
  5. Step 5: Solve for x
    x = 36,788,320,015,186.14/4,952,327.40
  6. Step 6: Final answer
    x = 7,428,491.10

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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.