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Finding the Fourth Proportional to 19,332.96, 29,010.96 and 7,021.92

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Solution

The fourth proportional to 19,332.96, 29,010.96 and 7,021.92 is: 10,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.96 : 29,010.96 = 7,021.92 : x
  2. Step 2: Convert to fraction form
    19,332.96/29,010.96 = 7,021.92/x
  3. Step 3: Cross multiply
    19,332.96x = 29,010.96 × 7,021.92
  4. Step 4: Simplify right side
    19,332.96x = 203,712,640.24
  5. Step 5: Solve for x
    x = 203,712,640.24/19,332.96
  6. Step 6: Final answer
    x = 10,537.06

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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.