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Finding the Fourth Proportional to 10,368.75, 15,553.02 and 4,818.99

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Solution

The fourth proportional to 10,368.75, 15,553.02 and 4,818.99 is: 7,228.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.75 : 15,553.02 = 4,818.99 : x
  2. Step 2: Convert to fraction form
    10,368.75/15,553.02 = 4,818.99/x
  3. Step 3: Cross multiply
    10,368.75x = 15,553.02 × 4,818.99
  4. Step 4: Simplify right side
    10,368.75x = 74,949,847.85
  5. Step 5: Solve for x
    x = 74,949,847.85/10,368.75
  6. Step 6: Final answer
    x = 7,228.44

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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.