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Finding the Fourth Proportional to 43,294.02, 64,941.03 and 35,420.82

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Solution

The fourth proportional to 43,294.02, 64,941.03 and 35,420.82 is: 53,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,294.02 : 64,941.03 = 35,420.82 : x
  2. Step 2: Convert to fraction form
    43,294.02/64,941.03 = 35,420.82/x
  3. Step 3: Cross multiply
    43,294.02x = 64,941.03 × 35,420.82
  4. Step 4: Simplify right side
    43,294.02x = 2,300,264,534.24
  5. Step 5: Solve for x
    x = 2,300,264,534.24/43,294.02
  6. Step 6: Final answer
    x = 53,131.23

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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.