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Finding the Fourth Proportional to 9,875.87, 14,813.80 and 3,955.44

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Solution

The fourth proportional to 9,875.87, 14,813.80 and 3,955.44 is: 5,933.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,875.87 : 14,813.80 = 3,955.44 : x
  2. Step 2: Convert to fraction form
    9,875.87/14,813.80 = 3,955.44/x
  3. Step 3: Cross multiply
    9,875.87x = 14,813.80 × 3,955.44
  4. Step 4: Simplify right side
    9,875.87x = 58,595,087.18
  5. Step 5: Solve for x
    x = 58,595,087.18/9,875.87
  6. Step 6: Final answer
    x = 5,933.16

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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.