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Finding the Fourth Proportional to 12,848.48, 19,275.32 and 7,304.48

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Solution

The fourth proportional to 12,848.48, 19,275.32 and 7,304.48 is: 10,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.48 : 19,275.32 = 7,304.48 : x
  2. Step 2: Convert to fraction form
    12,848.48/19,275.32 = 7,304.48/x
  3. Step 3: Cross multiply
    12,848.48x = 19,275.32 × 7,304.48
  4. Step 4: Simplify right side
    12,848.48x = 140,796,189.43
  5. Step 5: Solve for x
    x = 140,796,189.43/12,848.48
  6. Step 6: Final answer
    x = 10,958.20

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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.