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Finding the Fourth Proportional to 49,681, 68,525.06 and 32,679.88

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Solution

The fourth proportional to 49,681, 68,525.06 and 32,679.88 is: 45,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,681 : 68,525.06 = 32,679.88 : x
  2. Step 2: Convert to fraction form
    49,681/68,525.06 = 32,679.88/x
  3. Step 3: Cross multiply
    49,681x = 68,525.06 × 32,679.88
  4. Step 4: Simplify right side
    49,681x = 2,239,390,737.79
  5. Step 5: Solve for x
    x = 2,239,390,737.79/49,681
  6. Step 6: Final answer
    x = 45,075.40

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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.