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Finding the Fourth Proportional to 18,698.01, 28,025.47 and 7,592.50

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Solution

The fourth proportional to 18,698.01, 28,025.47 and 7,592.50 is: 11,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.01 : 28,025.47 = 7,592.50 : x
  2. Step 2: Convert to fraction form
    18,698.01/28,025.47 = 7,592.50/x
  3. Step 3: Cross multiply
    18,698.01x = 28,025.47 × 7,592.50
  4. Step 4: Simplify right side
    18,698.01x = 212,783,380.98
  5. Step 5: Solve for x
    x = 212,783,380.98/18,698.01
  6. Step 6: Final answer
    x = 11,380.00

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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.