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Finding the Fourth Proportional to 64,829.04, 97,086.80 and 53,653.48

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Solution

The fourth proportional to 64,829.04, 97,086.80 and 53,653.48 is: 80,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,829.04 : 97,086.80 = 53,653.48 : x
  2. Step 2: Convert to fraction form
    64,829.04/97,086.80 = 53,653.48/x
  3. Step 3: Cross multiply
    64,829.04x = 97,086.80 × 53,653.48
  4. Step 4: Simplify right side
    64,829.04x = 5,209,044,682.06
  5. Step 5: Solve for x
    x = 5,209,044,682.06/64,829.04
  6. Step 6: Final answer
    x = 80,350.48

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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.