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Finding the Fourth Proportional to 26,153, 39,202.04 and 12,807.60

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Solution

The fourth proportional to 26,153, 39,202.04 and 12,807.60 is: 19,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,153 : 39,202.04 = 12,807.60 : x
  2. Step 2: Convert to fraction form
    26,153/39,202.04 = 12,807.60/x
  3. Step 3: Cross multiply
    26,153x = 39,202.04 × 12,807.60
  4. Step 4: Simplify right side
    26,153x = 502,084,047.50
  5. Step 5: Solve for x
    x = 502,084,047.50/26,153
  6. Step 6: Final answer
    x = 19,197.95

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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.