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Finding the Fourth Proportional to 7,478.73, 10,333.71 and 6,482.43

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Solution

The fourth proportional to 7,478.73, 10,333.71 and 6,482.43 is: 8,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.73 : 10,333.71 = 6,482.43 : x
  2. Step 2: Convert to fraction form
    7,478.73/10,333.71 = 6,482.43/x
  3. Step 3: Cross multiply
    7,478.73x = 10,333.71 × 6,482.43
  4. Step 4: Simplify right side
    7,478.73x = 66,987,551.72
  5. Step 5: Solve for x
    x = 66,987,551.72/7,478.73
  6. Step 6: Final answer
    x = 8,957.08

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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.