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Finding the Fourth Proportional to 4,355.88, 6,487.71 and 4,334.64

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Solution

The fourth proportional to 4,355.88, 6,487.71 and 4,334.64 is: 6,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.88 : 6,487.71 = 4,334.64 : x
  2. Step 2: Convert to fraction form
    4,355.88/6,487.71 = 4,334.64/x
  3. Step 3: Cross multiply
    4,355.88x = 6,487.71 × 4,334.64
  4. Step 4: Simplify right side
    4,355.88x = 28,121,903.53
  5. Step 5: Solve for x
    x = 28,121,903.53/4,355.88
  6. Step 6: Final answer
    x = 6,456.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.