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Finding the Fourth Proportional to 39,100.01, 58,650 and 15,720.98

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Solution

The fourth proportional to 39,100.01, 58,650 and 15,720.98 is: 23,581.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,100.01 : 58,650 = 15,720.98 : x
  2. Step 2: Convert to fraction form
    39,100.01/58,650 = 15,720.98/x
  3. Step 3: Cross multiply
    39,100.01x = 58,650 × 15,720.98
  4. Step 4: Simplify right side
    39,100.01x = 922,035,477
  5. Step 5: Solve for x
    x = 922,035,477/39,100.01
  6. Step 6: Final answer
    x = 23,581.46

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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.