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Finding the Fourth Proportional to 9,903.36, 14,839.25 and 7,258.62

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Solution

The fourth proportional to 9,903.36, 14,839.25 and 7,258.62 is: 10,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.36 : 14,839.25 = 7,258.62 : x
  2. Step 2: Convert to fraction form
    9,903.36/14,839.25 = 7,258.62/x
  3. Step 3: Cross multiply
    9,903.36x = 14,839.25 × 7,258.62
  4. Step 4: Simplify right side
    9,903.36x = 107,712,440.54
  5. Step 5: Solve for x
    x = 107,712,440.54/9,903.36
  6. Step 6: Final answer
    x = 10,876.35

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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.