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Finding the Fourth Proportional to 32,610.12, 48,881.16 and 13,899.12

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Solution

The fourth proportional to 32,610.12, 48,881.16 and 13,899.12 is: 20,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,610.12 : 48,881.16 = 13,899.12 : x
  2. Step 2: Convert to fraction form
    32,610.12/48,881.16 = 13,899.12/x
  3. Step 3: Cross multiply
    32,610.12x = 48,881.16 × 13,899.12
  4. Step 4: Simplify right side
    32,610.12x = 679,405,108.58
  5. Step 5: Solve for x
    x = 679,405,108.58/32,610.12
  6. Step 6: Final answer
    x = 20,834.18

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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.