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Finding the Fourth Proportional to 35,020.71, 48,328.71 and 19,105.49

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Solution

The fourth proportional to 35,020.71, 48,328.71 and 19,105.49 is: 26,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,020.71 : 48,328.71 = 19,105.49 : x
  2. Step 2: Convert to fraction form
    35,020.71/48,328.71 = 19,105.49/x
  3. Step 3: Cross multiply
    35,020.71x = 48,328.71 × 19,105.49
  4. Step 4: Simplify right side
    35,020.71x = 923,343,685.62
  5. Step 5: Solve for x
    x = 923,343,685.62/35,020.71
  6. Step 6: Final answer
    x = 26,365.65

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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.