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Finding the Fourth Proportional to 41,509.40, 62,264.10 and 11,928.20

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Solution

The fourth proportional to 41,509.40, 62,264.10 and 11,928.20 is: 17,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,509.40 : 62,264.10 = 11,928.20 : x
  2. Step 2: Convert to fraction form
    41,509.40/62,264.10 = 11,928.20/x
  3. Step 3: Cross multiply
    41,509.40x = 62,264.10 × 11,928.20
  4. Step 4: Simplify right side
    41,509.40x = 742,698,637.62
  5. Step 5: Solve for x
    x = 742,698,637.62/41,509.40
  6. Step 6: Final answer
    x = 17,892.30

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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.