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Finding the Fourth Proportional to 26,179, 39,281.10 and 13,032.52

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Solution

The fourth proportional to 26,179, 39,281.10 and 13,032.52 is: 19,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,179 : 39,281.10 = 13,032.52 : x
  2. Step 2: Convert to fraction form
    26,179/39,281.10 = 13,032.52/x
  3. Step 3: Cross multiply
    26,179x = 39,281.10 × 13,032.52
  4. Step 4: Simplify right side
    26,179x = 511,931,721.37
  5. Step 5: Solve for x
    x = 511,931,721.37/26,179
  6. Step 6: Final answer
    x = 19,555.05

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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.