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Finding the Fourth Proportional to 64,829.55, 97,087.53 and 53,653.98

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Solution

The fourth proportional to 64,829.55, 97,087.53 and 53,653.98 is: 80,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,829.55 : 97,087.53 = 53,653.98 : x
  2. Step 2: Convert to fraction form
    64,829.55/97,087.53 = 53,653.98/x
  3. Step 3: Cross multiply
    64,829.55x = 97,087.53 × 53,653.98
  4. Step 4: Simplify right side
    64,829.55x = 5,209,132,392.87
  5. Step 5: Solve for x
    x = 5,209,132,392.87/64,829.55
  6. Step 6: Final answer
    x = 80,351.20

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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.