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Finding the Fourth Proportional to 64,336, 88,783.68 and 36,041.68

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Solution

The fourth proportional to 64,336, 88,783.68 and 36,041.68 is: 49,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,336 : 88,783.68 = 36,041.68 : x
  2. Step 2: Convert to fraction form
    64,336/88,783.68 = 36,041.68/x
  3. Step 3: Cross multiply
    64,336x = 88,783.68 × 36,041.68
  4. Step 4: Simplify right side
    64,336x = 3,199,912,983.78
  5. Step 5: Solve for x
    x = 3,199,912,983.78/64,336
  6. Step 6: Final answer
    x = 49,737.52

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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.