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Finding the Fourth Proportional to 7,932.51, 11,897.13 and 3,000.42

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Solution

The fourth proportional to 7,932.51, 11,897.13 and 3,000.42 is: 4,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.51 : 11,897.13 = 3,000.42 : x
  2. Step 2: Convert to fraction form
    7,932.51/11,897.13 = 3,000.42/x
  3. Step 3: Cross multiply
    7,932.51x = 11,897.13 × 3,000.42
  4. Step 4: Simplify right side
    7,932.51x = 35,696,386.79
  5. Step 5: Solve for x
    x = 35,696,386.79/7,932.51
  6. Step 6: Final answer
    x = 4,500.01

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Similar ratio
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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.