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Finding the Fourth Proportional to 7,924.73, 10,935.07 and 4,387.46

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Solution

The fourth proportional to 7,924.73, 10,935.07 and 4,387.46 is: 6,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.73 : 10,935.07 = 4,387.46 : x
  2. Step 2: Convert to fraction form
    7,924.73/10,935.07 = 4,387.46/x
  3. Step 3: Cross multiply
    7,924.73x = 10,935.07 × 4,387.46
  4. Step 4: Simplify right side
    7,924.73x = 47,977,116.58
  5. Step 5: Solve for x
    x = 47,977,116.58/7,924.73
  6. Step 6: Final answer
    x = 6,054.10

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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.