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Finding the Fourth Proportional to 5,932.40, 8,897.40 and 2,421.52

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Solution

The fourth proportional to 5,932.40, 8,897.40 and 2,421.52 is: 3,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,932.40 : 8,897.40 = 2,421.52 : x
  2. Step 2: Convert to fraction form
    5,932.40/8,897.40 = 2,421.52/x
  3. Step 3: Cross multiply
    5,932.40x = 8,897.40 × 2,421.52
  4. Step 4: Simplify right side
    5,932.40x = 21,545,232.05
  5. Step 5: Solve for x
    x = 21,545,232.05/5,932.40
  6. Step 6: Final answer
    x = 3,631.79

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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.