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Finding the Fourth Proportional to 59,308.02, 88,962.21 and 21,851.88

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Solution

The fourth proportional to 59,308.02, 88,962.21 and 21,851.88 is: 32,777.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,308.02 : 88,962.21 = 21,851.88 : x
  2. Step 2: Convert to fraction form
    59,308.02/88,962.21 = 21,851.88/x
  3. Step 3: Cross multiply
    59,308.02x = 88,962.21 × 21,851.88
  4. Step 4: Simplify right side
    59,308.02x = 1,943,991,537.45
  5. Step 5: Solve for x
    x = 1,943,991,537.45/59,308.02
  6. Step 6: Final answer
    x = 32,777.89

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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.