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Finding the Fourth Proportional to 18,304.58, 25,263.65 and 10,346.79

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Solution

The fourth proportional to 18,304.58, 25,263.65 and 10,346.79 is: 14,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.58 : 25,263.65 = 10,346.79 : x
  2. Step 2: Convert to fraction form
    18,304.58/25,263.65 = 10,346.79/x
  3. Step 3: Cross multiply
    18,304.58x = 25,263.65 × 10,346.79
  4. Step 4: Simplify right side
    18,304.58x = 261,397,601.48
  5. Step 5: Solve for x
    x = 261,397,601.48/18,304.58
  6. Step 6: Final answer
    x = 14,280.45

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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.