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Finding the Fourth Proportional to 56,326.43, 84,478.88 and 16,883.54

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Solution

The fourth proportional to 56,326.43, 84,478.88 and 16,883.54 is: 25,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,326.43 : 84,478.88 = 16,883.54 : x
  2. Step 2: Convert to fraction form
    56,326.43/84,478.88 = 16,883.54/x
  3. Step 3: Cross multiply
    56,326.43x = 84,478.88 × 16,883.54
  4. Step 4: Simplify right side
    56,326.43x = 1,426,302,549.64
  5. Step 5: Solve for x
    x = 1,426,302,549.64/56,326.43
  6. Step 6: Final answer
    x = 25,322.08

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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.