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Finding the Fourth Proportional to 58,643.54, 80,926.11 and 34,756.03

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Solution

The fourth proportional to 58,643.54, 80,926.11 and 34,756.03 is: 47,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,643.54 : 80,926.11 = 34,756.03 : x
  2. Step 2: Convert to fraction form
    58,643.54/80,926.11 = 34,756.03/x
  3. Step 3: Cross multiply
    58,643.54x = 80,926.11 × 34,756.03
  4. Step 4: Simplify right side
    58,643.54x = 2,812,670,104.63
  5. Step 5: Solve for x
    x = 2,812,670,104.63/58,643.54
  6. Step 6: Final answer
    x = 47,962.15

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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.