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Finding the Fourth Proportional to 19,922.08, 27,495.12 and 19,310.08

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Solution

The fourth proportional to 19,922.08, 27,495.12 and 19,310.08 is: 26,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.08 : 27,495.12 = 19,310.08 : x
  2. Step 2: Convert to fraction form
    19,922.08/27,495.12 = 19,310.08/x
  3. Step 3: Cross multiply
    19,922.08x = 27,495.12 × 19,310.08
  4. Step 4: Simplify right side
    19,922.08x = 530,932,966.81
  5. Step 5: Solve for x
    x = 530,932,966.81/19,922.08
  6. Step 6: Final answer
    x = 26,650.48

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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.