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Finding the Fourth Proportional to 40,551.40, 60,827.10 and 15,603.20

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Solution

The fourth proportional to 40,551.40, 60,827.10 and 15,603.20 is: 23,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,551.40 : 60,827.10 = 15,603.20 : x
  2. Step 2: Convert to fraction form
    40,551.40/60,827.10 = 15,603.20/x
  3. Step 3: Cross multiply
    40,551.40x = 60,827.10 × 15,603.20
  4. Step 4: Simplify right side
    40,551.40x = 949,097,359.94
  5. Step 5: Solve for x
    x = 949,097,359.94/40,551.40
  6. Step 6: Final answer
    x = 23,404.80

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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.