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Finding the Fourth Proportional to 63,522, 95,248.80 and 21,388.05

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Solution

The fourth proportional to 63,522, 95,248.80 and 21,388.05 is: 32,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,522 : 95,248.80 = 21,388.05 : x
  2. Step 2: Convert to fraction form
    63,522/95,248.80 = 21,388.05/x
  3. Step 3: Cross multiply
    63,522x = 95,248.80 × 21,388.05
  4. Step 4: Simplify right side
    63,522x = 2,037,186,096.84
  5. Step 5: Solve for x
    x = 2,037,186,096.84/63,522
  6. Step 6: Final answer
    x = 32,070.56

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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.