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Finding the Fourth Proportional to 64,580.88, 96,871.63 and 19,602.62

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Solution

The fourth proportional to 64,580.88, 96,871.63 and 19,602.62 is: 29,404.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,580.88 : 96,871.63 = 19,602.62 : x
  2. Step 2: Convert to fraction form
    64,580.88/96,871.63 = 19,602.62/x
  3. Step 3: Cross multiply
    64,580.88x = 96,871.63 × 19,602.62
  4. Step 4: Simplify right side
    64,580.88x = 1,898,937,944.84
  5. Step 5: Solve for x
    x = 1,898,937,944.84/64,580.88
  6. Step 6: Final answer
    x = 29,404.03

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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.