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Finding the Fourth Proportional to 5,651,389.74, 7,799,065.65 and 3,073,221.30

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Solution

The fourth proportional to 5,651,389.74, 7,799,065.65 and 3,073,221.30 is: 4,241,125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651,389.74 : 7,799,065.65 = 3,073,221.30 : x
  2. Step 2: Convert to fraction form
    5,651,389.74/7,799,065.65 = 3,073,221.30/x
  3. Step 3: Cross multiply
    5,651,389.74x = 7,799,065.65 × 3,073,221.30
  4. Step 4: Simplify right side
    5,651,389.74x = 23,968,254,675,678.34
  5. Step 5: Solve for x
    x = 23,968,254,675,678.34/5,651,389.74
  6. Step 6: Final answer
    x = 4,241,125.77

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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.