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Finding the Fourth Proportional to 9,472,738.40, 14,209,107.60 and 9,472,738.40

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Solution

The fourth proportional to 9,472,738.40, 14,209,107.60 and 9,472,738.40 is: 14,209,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,472,738.40 : 14,209,107.60 = 9,472,738.40 : x
  2. Step 2: Convert to fraction form
    9,472,738.40/14,209,107.60 = 9,472,738.40/x
  3. Step 3: Cross multiply
    9,472,738.40x = 14,209,107.60 × 9,472,738.40
  4. Step 4: Simplify right side
    9,472,738.40x = 134,599,159,192,251.84
  5. Step 5: Solve for x
    x = 134,599,159,192,251.84/9,472,738.40
  6. Step 6: Final answer
    x = 14,209,107.60

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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.