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Finding the Fourth Proportional to 30,592.40, 45,905.33 and 11,873.18

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Solution

The fourth proportional to 30,592.40, 45,905.33 and 11,873.18 is: 17,816.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592.40 : 45,905.33 = 11,873.18 : x
  2. Step 2: Convert to fraction form
    30,592.40/45,905.33 = 11,873.18/x
  3. Step 3: Cross multiply
    30,592.40x = 45,905.33 × 11,873.18
  4. Step 4: Simplify right side
    30,592.40x = 545,042,246.05
  5. Step 5: Solve for x
    x = 545,042,246.05/30,592.40
  6. Step 6: Final answer
    x = 17,816.26

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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.