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Finding the Fourth Proportional to 57,643.63, 86,435.53 and 22,094.45

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Solution

The fourth proportional to 57,643.63, 86,435.53 and 22,094.45 is: 33,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,643.63 : 86,435.53 = 22,094.45 : x
  2. Step 2: Convert to fraction form
    57,643.63/86,435.53 = 22,094.45/x
  3. Step 3: Cross multiply
    57,643.63x = 86,435.53 × 22,094.45
  4. Step 4: Simplify right side
    57,643.63x = 1,909,745,495.81
  5. Step 5: Solve for x
    x = 1,909,745,495.81/57,643.63
  6. Step 6: Final answer
    x = 33,130.21

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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.