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Finding the Fourth Proportional to 56,597.94, 84,892.02 and 19,157.21

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Solution

The fourth proportional to 56,597.94, 84,892.02 and 19,157.21 is: 28,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,597.94 : 84,892.02 = 19,157.21 : x
  2. Step 2: Convert to fraction form
    56,597.94/84,892.02 = 19,157.21/x
  3. Step 3: Cross multiply
    56,597.94x = 84,892.02 × 19,157.21
  4. Step 4: Simplify right side
    56,597.94x = 1,626,294,076.51
  5. Step 5: Solve for x
    x = 1,626,294,076.51/56,597.94
  6. Step 6: Final answer
    x = 28,734.16

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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.