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Finding the Fourth Proportional to 6,326.47, 9,482.50 and 3,955.64

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Solution

The fourth proportional to 6,326.47, 9,482.50 and 3,955.64 is: 5,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.47 : 9,482.50 = 3,955.64 : x
  2. Step 2: Convert to fraction form
    6,326.47/9,482.50 = 3,955.64/x
  3. Step 3: Cross multiply
    6,326.47x = 9,482.50 × 3,955.64
  4. Step 4: Simplify right side
    6,326.47x = 37,509,356.30
  5. Step 5: Solve for x
    x = 37,509,356.30/6,326.47
  6. Step 6: Final answer
    x = 5,928.96

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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.