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Finding the Fourth Proportional to 7,007,632.70, 10,502,591.70 and 3,405,643.70

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Solution

The fourth proportional to 7,007,632.70, 10,502,591.70 and 3,405,643.70 is: 5,104,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007,632.70 : 10,502,591.70 = 3,405,643.70 : x
  2. Step 2: Convert to fraction form
    7,007,632.70/10,502,591.70 = 3,405,643.70/x
  3. Step 3: Cross multiply
    7,007,632.70x = 10,502,591.70 × 3,405,643.70
  4. Step 4: Simplify right side
    7,007,632.70x = 35,768,085,256,777.29
  5. Step 5: Solve for x
    x = 35,768,085,256,777.29/7,007,632.70
  6. Step 6: Final answer
    x = 5,104,160.96

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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.