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Finding the Fourth Proportional to 24,792.20, 34,111.80 and 21,424.22

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Solution

The fourth proportional to 24,792.20, 34,111.80 and 21,424.22 is: 29,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,792.20 : 34,111.80 = 21,424.22 : x
  2. Step 2: Convert to fraction form
    24,792.20/34,111.80 = 21,424.22/x
  3. Step 3: Cross multiply
    24,792.20x = 34,111.80 × 21,424.22
  4. Step 4: Simplify right side
    24,792.20x = 730,818,707.80
  5. Step 5: Solve for x
    x = 730,818,707.80/24,792.20
  6. Step 6: Final answer
    x = 29,477.77

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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.