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Finding the Fourth Proportional to 40,308.91, 59,955.88 and 40,174.04

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Solution

The fourth proportional to 40,308.91, 59,955.88 and 40,174.04 is: 59,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,308.91 : 59,955.88 = 40,174.04 : x
  2. Step 2: Convert to fraction form
    40,308.91/59,955.88 = 40,174.04/x
  3. Step 3: Cross multiply
    40,308.91x = 59,955.88 × 40,174.04
  4. Step 4: Simplify right side
    40,308.91x = 2,408,669,921.36
  5. Step 5: Solve for x
    x = 2,408,669,921.36/40,308.91
  6. Step 6: Final answer
    x = 59,755.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.