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Finding the Fourth Proportional to 25,335.01, 34,939.06 and 15,245.94

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Solution

The fourth proportional to 25,335.01, 34,939.06 and 15,245.94 is: 21,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,335.01 : 34,939.06 = 15,245.94 : x
  2. Step 2: Convert to fraction form
    25,335.01/34,939.06 = 15,245.94/x
  3. Step 3: Cross multiply
    25,335.01x = 34,939.06 × 15,245.94
  4. Step 4: Simplify right side
    25,335.01x = 532,678,812.42
  5. Step 5: Solve for x
    x = 532,678,812.42/25,335.01
  6. Step 6: Final answer
    x = 21,025.40

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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.