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Finding the Fourth Proportional to 19,503.06, 29,251.29 and 7,020.54

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Solution

The fourth proportional to 19,503.06, 29,251.29 and 7,020.54 is: 10,529.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.06 : 29,251.29 = 7,020.54 : x
  2. Step 2: Convert to fraction form
    19,503.06/29,251.29 = 7,020.54/x
  3. Step 3: Cross multiply
    19,503.06x = 29,251.29 × 7,020.54
  4. Step 4: Simplify right side
    19,503.06x = 205,359,851.50
  5. Step 5: Solve for x
    x = 205,359,851.50/19,503.06
  6. Step 6: Final answer
    x = 10,529.62

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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.