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Finding the Fourth Proportional to 64,426.91, 88,909.04 and 36,132.35

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Solution

The fourth proportional to 64,426.91, 88,909.04 and 36,132.35 is: 49,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,426.91 : 88,909.04 = 36,132.35 : x
  2. Step 2: Convert to fraction form
    64,426.91/88,909.04 = 36,132.35/x
  3. Step 3: Cross multiply
    64,426.91x = 88,909.04 × 36,132.35
  4. Step 4: Simplify right side
    64,426.91x = 3,212,492,197.23
  5. Step 5: Solve for x
    x = 3,212,492,197.23/64,426.91
  6. Step 6: Final answer
    x = 49,862.59

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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.