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Finding the Fourth Proportional to 23,765.11, 35,655.71 and 8,978.29

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Solution

The fourth proportional to 23,765.11, 35,655.71 and 8,978.29 is: 13,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,765.11 : 35,655.71 = 8,978.29 : x
  2. Step 2: Convert to fraction form
    23,765.11/35,655.71 = 8,978.29/x
  3. Step 3: Cross multiply
    23,765.11x = 35,655.71 × 8,978.29
  4. Step 4: Simplify right side
    23,765.11x = 320,127,304.54
  5. Step 5: Solve for x
    x = 320,127,304.54/23,765.11
  6. Step 6: Final answer
    x = 13,470.47

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1.5x scale

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.