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Finding the Fourth Proportional to 24,476.72, 33,762.84 and 21,340.40

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Solution

The fourth proportional to 24,476.72, 33,762.84 and 21,340.40 is: 29,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,476.72 : 33,762.84 = 21,340.40 : x
  2. Step 2: Convert to fraction form
    24,476.72/33,762.84 = 21,340.40/x
  3. Step 3: Cross multiply
    24,476.72x = 33,762.84 × 21,340.40
  4. Step 4: Simplify right side
    24,476.72x = 720,512,510.74
  5. Step 5: Solve for x
    x = 720,512,510.74/24,476.72
  6. Step 6: Final answer
    x = 29,436.64

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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.