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Finding the Fourth Proportional to 55,969.40, 83,969.43 and 16,526.48

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Solution

The fourth proportional to 55,969.40, 83,969.43 and 16,526.48 is: 24,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,969.40 : 83,969.43 = 16,526.48 : x
  2. Step 2: Convert to fraction form
    55,969.40/83,969.43 = 16,526.48/x
  3. Step 3: Cross multiply
    55,969.40x = 83,969.43 × 16,526.48
  4. Step 4: Simplify right side
    55,969.40x = 1,387,719,105.51
  5. Step 5: Solve for x
    x = 1,387,719,105.51/55,969.40
  6. Step 6: Final answer
    x = 24,794.25

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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.