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Finding the Fourth Proportional to 9,842,689.90, 14,764,034.85 and 3,859,057.90

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Solution

The fourth proportional to 9,842,689.90, 14,764,034.85 and 3,859,057.90 is: 5,788,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,842,689.90 : 14,764,034.85 = 3,859,057.90 : x
  2. Step 2: Convert to fraction form
    9,842,689.90/14,764,034.85 = 3,859,057.90/x
  3. Step 3: Cross multiply
    9,842,689.90x = 14,764,034.85 × 3,859,057.90
  4. Step 4: Simplify right side
    9,842,689.90x = 56,975,265,323,767.81
  5. Step 5: Solve for x
    x = 56,975,265,323,767.81/9,842,689.90
  6. Step 6: Final answer
    x = 5,788,586.85

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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.