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Finding the Fourth Proportional to 14,610.21, 21,883.86 and 9,904.40

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Solution

The fourth proportional to 14,610.21, 21,883.86 and 9,904.40 is: 14,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.21 : 21,883.86 = 9,904.40 : x
  2. Step 2: Convert to fraction form
    14,610.21/21,883.86 = 9,904.40/x
  3. Step 3: Cross multiply
    14,610.21x = 21,883.86 × 9,904.40
  4. Step 4: Simplify right side
    14,610.21x = 216,746,393.56
  5. Step 5: Solve for x
    x = 216,746,393.56/14,610.21
  6. Step 6: Final answer
    x = 14,835.27

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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.