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Finding the Fourth Proportional to 19,010.30, 26,653.30 and 19,010.30

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Solution

The fourth proportional to 19,010.30, 26,653.30 and 19,010.30 is: 26,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.30 : 26,653.30 = 19,010.30 : x
  2. Step 2: Convert to fraction form
    19,010.30/26,653.30 = 19,010.30/x
  3. Step 3: Cross multiply
    19,010.30x = 26,653.30 × 19,010.30
  4. Step 4: Simplify right side
    19,010.30x = 506,687,228.99
  5. Step 5: Solve for x
    x = 506,687,228.99/19,010.30
  6. Step 6: Final answer
    x = 26,653.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.