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Finding the Fourth Proportional to 14,346.78, 21,527.54 and 5,919.51

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Solution

The fourth proportional to 14,346.78, 21,527.54 and 5,919.51 is: 8,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.78 : 21,527.54 = 5,919.51 : x
  2. Step 2: Convert to fraction form
    14,346.78/21,527.54 = 5,919.51/x
  3. Step 3: Cross multiply
    14,346.78x = 21,527.54 × 5,919.51
  4. Step 4: Simplify right side
    14,346.78x = 127,432,488.31
  5. Step 5: Solve for x
    x = 127,432,488.31/14,346.78
  6. Step 6: Final answer
    x = 8,882.31

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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.