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Finding the Fourth Proportional to 4,332.42, 5,978.34 and 2,443.86

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Solution

The fourth proportional to 4,332.42, 5,978.34 and 2,443.86 is: 3,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,332.42 : 5,978.34 = 2,443.86 : x
  2. Step 2: Convert to fraction form
    4,332.42/5,978.34 = 2,443.86/x
  3. Step 3: Cross multiply
    4,332.42x = 5,978.34 × 2,443.86
  4. Step 4: Simplify right side
    4,332.42x = 14,610,225.99
  5. Step 5: Solve for x
    x = 14,610,225.99/4,332.42
  6. Step 6: Final answer
    x = 3,372.30

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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.