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Finding the Fourth Proportional to 15,686.66, 23,499.91 and 9,745.91

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Solution

The fourth proportional to 15,686.66, 23,499.91 and 9,745.91 is: 14,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686.66 : 23,499.91 = 9,745.91 : x
  2. Step 2: Convert to fraction form
    15,686.66/23,499.91 = 9,745.91/x
  3. Step 3: Cross multiply
    15,686.66x = 23,499.91 × 9,745.91
  4. Step 4: Simplify right side
    15,686.66x = 229,027,959.14
  5. Step 5: Solve for x
    x = 229,027,959.14/15,686.66
  6. Step 6: Final answer
    x = 14,600.18

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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.