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Finding the Fourth Proportional to 24,866.25, 34,315.97 and 13,688.25

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Solution

The fourth proportional to 24,866.25, 34,315.97 and 13,688.25 is: 18,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,866.25 : 34,315.97 = 13,688.25 : x
  2. Step 2: Convert to fraction form
    24,866.25/34,315.97 = 13,688.25/x
  3. Step 3: Cross multiply
    24,866.25x = 34,315.97 × 13,688.25
  4. Step 4: Simplify right side
    24,866.25x = 469,725,507.91
  5. Step 5: Solve for x
    x = 469,725,507.91/24,866.25
  6. Step 6: Final answer
    x = 18,890.08

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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.