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Finding the Fourth Proportional to 10,404.66, 14,356.74 and 5,928.48

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Solution

The fourth proportional to 10,404.66, 14,356.74 and 5,928.48 is: 8,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.66 : 14,356.74 = 5,928.48 : x
  2. Step 2: Convert to fraction form
    10,404.66/14,356.74 = 5,928.48/x
  3. Step 3: Cross multiply
    10,404.66x = 14,356.74 × 5,928.48
  4. Step 4: Simplify right side
    10,404.66x = 85,113,645.96
  5. Step 5: Solve for x
    x = 85,113,645.96/10,404.66
  6. Step 6: Final answer
    x = 8,180.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.