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Finding the Fourth Proportional to 64,295.40, 88,726.68 and 36,002.16

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Solution

The fourth proportional to 64,295.40, 88,726.68 and 36,002.16 is: 49,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,295.40 : 88,726.68 = 36,002.16 : x
  2. Step 2: Convert to fraction form
    64,295.40/88,726.68 = 36,002.16/x
  3. Step 3: Cross multiply
    64,295.40x = 88,726.68 × 36,002.16
  4. Step 4: Simplify right side
    64,295.40x = 3,194,352,129.63
  5. Step 5: Solve for x
    x = 3,194,352,129.63/64,295.40
  6. Step 6: Final answer
    x = 49,682.44

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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.