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Finding the Fourth Proportional to 19,006.66, 28,500.22 and 6,523.32

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Solution

The fourth proportional to 19,006.66, 28,500.22 and 6,523.32 is: 9,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.66 : 28,500.22 = 6,523.32 : x
  2. Step 2: Convert to fraction form
    19,006.66/28,500.22 = 6,523.32/x
  3. Step 3: Cross multiply
    19,006.66x = 28,500.22 × 6,523.32
  4. Step 4: Simplify right side
    19,006.66x = 185,916,055.13
  5. Step 5: Solve for x
    x = 185,916,055.13/19,006.66
  6. Step 6: Final answer
    x = 9,781.63

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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.