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Finding the Fourth Proportional to 15,959.30, 23,938.96 and 7,637.36

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Solution

The fourth proportional to 15,959.30, 23,938.96 and 7,637.36 is: 11,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.30 : 23,938.96 = 7,637.36 : x
  2. Step 2: Convert to fraction form
    15,959.30/23,938.96 = 7,637.36/x
  3. Step 3: Cross multiply
    15,959.30x = 23,938.96 × 7,637.36
  4. Step 4: Simplify right side
    15,959.30x = 182,830,455.55
  5. Step 5: Solve for x
    x = 182,830,455.55/15,959.30
  6. Step 6: Final answer
    x = 11,456.04

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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.