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Finding the Fourth Proportional to 25,925.49, 38,889.86 and 8,397.09

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Solution

The fourth proportional to 25,925.49, 38,889.86 and 8,397.09 is: 12,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,925.49 : 38,889.86 = 8,397.09 : x
  2. Step 2: Convert to fraction form
    25,925.49/38,889.86 = 8,397.09/x
  3. Step 3: Cross multiply
    25,925.49x = 38,889.86 × 8,397.09
  4. Step 4: Simplify right side
    25,925.49x = 326,561,612.52
  5. Step 5: Solve for x
    x = 326,561,612.52/25,925.49
  6. Step 6: Final answer
    x = 12,596.16

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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.