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Finding the Fourth Proportional to 7,039,050, 9,713,889 and 3,819,786

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Solution

The fourth proportional to 7,039,050, 9,713,889 and 3,819,786 is: 5,271,304.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039,050 : 9,713,889 = 3,819,786 : x
  2. Step 2: Convert to fraction form
    7,039,050/9,713,889 = 3,819,786/x
  3. Step 3: Cross multiply
    7,039,050x = 9,713,889 × 3,819,786
  4. Step 4: Simplify right side
    7,039,050x = 37,104,977,207,754
  5. Step 5: Solve for x
    x = 37,104,977,207,754/7,039,050
  6. Step 6: Final answer
    x = 5,271,304.68

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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.