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Finding the Fourth Proportional to 21,900.88, 32,852.58 and 14,877.88

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Solution

The fourth proportional to 21,900.88, 32,852.58 and 14,877.88 is: 22,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,900.88 : 32,852.58 = 14,877.88 : x
  2. Step 2: Convert to fraction form
    21,900.88/32,852.58 = 14,877.88/x
  3. Step 3: Cross multiply
    21,900.88x = 32,852.58 × 14,877.88
  4. Step 4: Simplify right side
    21,900.88x = 488,776,742.93
  5. Step 5: Solve for x
    x = 488,776,742.93/21,900.88
  6. Step 6: Final answer
    x = 22,317.68

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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.