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Finding the Fourth Proportional to 6,939,925.04, 9,577,395.89 and 3,842,448.46

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Solution

The fourth proportional to 6,939,925.04, 9,577,395.89 and 3,842,448.46 is: 5,302,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939,925.04 : 9,577,395.89 = 3,842,448.46 : x
  2. Step 2: Convert to fraction form
    6,939,925.04/9,577,395.89 = 3,842,448.46/x
  3. Step 3: Cross multiply
    6,939,925.04x = 9,577,395.89 × 3,842,448.46
  4. Step 4: Simplify right side
    6,939,925.04x = 36,800,650,069,128.59
  5. Step 5: Solve for x
    x = 36,800,650,069,128.59/6,939,925.04
  6. Step 6: Final answer
    x = 5,302,744.61

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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.