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Finding the Fourth Proportional to 19,594.79, 29,392.18 and 7,905.27

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Solution

The fourth proportional to 19,594.79, 29,392.18 and 7,905.27 is: 11,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,594.79 : 29,392.18 = 7,905.27 : x
  2. Step 2: Convert to fraction form
    19,594.79/29,392.18 = 7,905.27/x
  3. Step 3: Cross multiply
    19,594.79x = 29,392.18 × 7,905.27
  4. Step 4: Simplify right side
    19,594.79x = 232,353,118.79
  5. Step 5: Solve for x
    x = 232,353,118.79/19,594.79
  6. Step 6: Final answer
    x = 11,857.90

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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.