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Finding the Fourth Proportional to 9,875.70, 14,813.56 and 3,955.25

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Solution

The fourth proportional to 9,875.70, 14,813.56 and 3,955.25 is: 5,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,875.70 : 14,813.56 = 3,955.25 : x
  2. Step 2: Convert to fraction form
    9,875.70/14,813.56 = 3,955.25/x
  3. Step 3: Cross multiply
    9,875.70x = 14,813.56 × 3,955.25
  4. Step 4: Simplify right side
    9,875.70x = 58,591,333.19
  5. Step 5: Solve for x
    x = 58,591,333.19/9,875.70
  6. Step 6: Final answer
    x = 5,932.88

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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.