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Finding the Fourth Proportional to 15,610.24, 21,541.80 and 8,536.24

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Solution

The fourth proportional to 15,610.24, 21,541.80 and 8,536.24 is: 11,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.24 : 21,541.80 = 8,536.24 : x
  2. Step 2: Convert to fraction form
    15,610.24/21,541.80 = 8,536.24/x
  3. Step 3: Cross multiply
    15,610.24x = 21,541.80 × 8,536.24
  4. Step 4: Simplify right side
    15,610.24x = 183,885,974.83
  5. Step 5: Solve for x
    x = 183,885,974.83/15,610.24
  6. Step 6: Final answer
    x = 11,779.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.