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Finding the Fourth Proportional to 64,253, 88,715.91 and 51,575.92

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Solution

The fourth proportional to 64,253, 88,715.91 and 51,575.92 is: 71,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,253 : 88,715.91 = 51,575.92 : x
  2. Step 2: Convert to fraction form
    64,253/88,715.91 = 51,575.92/x
  3. Step 3: Cross multiply
    64,253x = 88,715.91 × 51,575.92
  4. Step 4: Simplify right side
    64,253x = 4,575,604,233.31
  5. Step 5: Solve for x
    x = 4,575,604,233.31/64,253
  6. Step 6: Final answer
    x = 71,212.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.