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Finding the Fourth Proportional to 7,008,901.60, 10,496,763.60 and 4,752,824.80

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Solution

The fourth proportional to 7,008,901.60, 10,496,763.60 and 4,752,824.80 is: 7,117,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008,901.60 : 10,496,763.60 = 4,752,824.80 : x
  2. Step 2: Convert to fraction form
    7,008,901.60/10,496,763.60 = 4,752,824.80/x
  3. Step 3: Cross multiply
    7,008,901.60x = 10,496,763.60 × 4,752,824.80
  4. Step 4: Simplify right side
    7,008,901.60x = 49,889,278,357,817.27
  5. Step 5: Solve for x
    x = 49,889,278,357,817.27/7,008,901.60
  6. Step 6: Final answer
    x = 7,117,988.12

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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.