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Finding the Fourth Proportional to 44,319, 66,478.56 and 43,203.60

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Solution

The fourth proportional to 44,319, 66,478.56 and 43,203.60 is: 64,805.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,319 : 66,478.56 = 43,203.60 : x
  2. Step 2: Convert to fraction form
    44,319/66,478.56 = 43,203.60/x
  3. Step 3: Cross multiply
    44,319x = 66,478.56 × 43,203.60
  4. Step 4: Simplify right side
    44,319x = 2,872,113,114.82
  5. Step 5: Solve for x
    x = 2,872,113,114.82/44,319
  6. Step 6: Final answer
    x = 64,805.46

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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.