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Finding the Fourth Proportional to 39,047, 58,534.86 and 14,066.60

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Solution

The fourth proportional to 39,047, 58,534.86 and 14,066.60 is: 21,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,047 : 58,534.86 = 14,066.60 : x
  2. Step 2: Convert to fraction form
    39,047/58,534.86 = 14,066.60/x
  3. Step 3: Cross multiply
    39,047x = 58,534.86 × 14,066.60
  4. Step 4: Simplify right side
    39,047x = 823,386,461.68
  5. Step 5: Solve for x
    x = 823,386,461.68/39,047
  6. Step 6: Final answer
    x = 21,087.06

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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.