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Finding the Fourth Proportional to 11,598.50, 16,008.10 and 6,630.50

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Solution

The fourth proportional to 11,598.50, 16,008.10 and 6,630.50 is: 9,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,598.50 : 16,008.10 = 6,630.50 : x
  2. Step 2: Convert to fraction form
    11,598.50/16,008.10 = 6,630.50/x
  3. Step 3: Cross multiply
    11,598.50x = 16,008.10 × 6,630.50
  4. Step 4: Simplify right side
    11,598.50x = 106,141,707.05
  5. Step 5: Solve for x
    x = 106,141,707.05/11,598.50
  6. Step 6: Final answer
    x = 9,151.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.