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Finding the Fourth Proportional to 5,808,687.80, 8,713,031.70 and 3,566,089.40

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Solution

The fourth proportional to 5,808,687.80, 8,713,031.70 and 3,566,089.40 is: 5,349,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808,687.80 : 8,713,031.70 = 3,566,089.40 : x
  2. Step 2: Convert to fraction form
    5,808,687.80/8,713,031.70 = 3,566,089.40/x
  3. Step 3: Cross multiply
    5,808,687.80x = 8,713,031.70 × 3,566,089.40
  4. Step 4: Simplify right side
    5,808,687.80x = 31,071,449,987,233.98
  5. Step 5: Solve for x
    x = 31,071,449,987,233.98/5,808,687.80
  6. Step 6: Final answer
    x = 5,349,134.10

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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.