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Finding the Fourth Proportional to 6,659.32, 9,187.07 and 4,671.18

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Solution

The fourth proportional to 6,659.32, 9,187.07 and 4,671.18 is: 6,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.32 : 9,187.07 = 4,671.18 : x
  2. Step 2: Convert to fraction form
    6,659.32/9,187.07 = 4,671.18/x
  3. Step 3: Cross multiply
    6,659.32x = 9,187.07 × 4,671.18
  4. Step 4: Simplify right side
    6,659.32x = 42,914,457.64
  5. Step 5: Solve for x
    x = 42,914,457.64/6,659.32
  6. Step 6: Final answer
    x = 6,444.27

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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.