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Finding the Fourth Proportional to 6,637.58, 9,159.86 and 3,653.41

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Solution

The fourth proportional to 6,637.58, 9,159.86 and 3,653.41 is: 5,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.58 : 9,159.86 = 3,653.41 : x
  2. Step 2: Convert to fraction form
    6,637.58/9,159.86 = 3,653.41/x
  3. Step 3: Cross multiply
    6,637.58x = 9,159.86 × 3,653.41
  4. Step 4: Simplify right side
    6,637.58x = 33,464,724.12
  5. Step 5: Solve for x
    x = 33,464,724.12/6,637.58
  6. Step 6: Final answer
    x = 5,041.71

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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.