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Finding the Fourth Proportional to 10,000.94, 15,003.28 and 4,158.02

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Solution

The fourth proportional to 10,000.94, 15,003.28 and 4,158.02 is: 6,237.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.94 : 15,003.28 = 4,158.02 : x
  2. Step 2: Convert to fraction form
    10,000.94/15,003.28 = 4,158.02/x
  3. Step 3: Cross multiply
    10,000.94x = 15,003.28 × 4,158.02
  4. Step 4: Simplify right side
    10,000.94x = 62,383,938.31
  5. Step 5: Solve for x
    x = 62,383,938.31/10,000.94
  6. Step 6: Final answer
    x = 6,237.81

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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.