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Finding the Fourth Proportional to 15,461.62, 23,204.72 and 5,603.72

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Solution

The fourth proportional to 15,461.62, 23,204.72 and 5,603.72 is: 8,410.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.62 : 23,204.72 = 5,603.72 : x
  2. Step 2: Convert to fraction form
    15,461.62/23,204.72 = 5,603.72/x
  3. Step 3: Cross multiply
    15,461.62x = 23,204.72 × 5,603.72
  4. Step 4: Simplify right side
    15,461.62x = 130,032,651.54
  5. Step 5: Solve for x
    x = 130,032,651.54/15,461.62
  6. Step 6: Final answer
    x = 8,410.03

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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.