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Finding the Fourth Proportional to 25,805.16, 38,708.10 and 7,337.16

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Solution

The fourth proportional to 25,805.16, 38,708.10 and 7,337.16 is: 11,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,805.16 : 38,708.10 = 7,337.16 : x
  2. Step 2: Convert to fraction form
    25,805.16/38,708.10 = 7,337.16/x
  3. Step 3: Cross multiply
    25,805.16x = 38,708.10 × 7,337.16
  4. Step 4: Simplify right side
    25,805.16x = 284,007,523.00
  5. Step 5: Solve for x
    x = 284,007,523.00/25,805.16
  6. Step 6: Final answer
    x = 11,005.84

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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.