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Finding the Fourth Proportional to 64,890.52, 89,551.95 and 36,595.60

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Solution

The fourth proportional to 64,890.52, 89,551.95 and 36,595.60 is: 50,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,890.52 : 89,551.95 = 36,595.60 : x
  2. Step 2: Convert to fraction form
    64,890.52/89,551.95 = 36,595.60/x
  3. Step 3: Cross multiply
    64,890.52x = 89,551.95 × 36,595.60
  4. Step 4: Simplify right side
    64,890.52x = 3,277,207,341.42
  5. Step 5: Solve for x
    x = 3,277,207,341.42/64,890.52
  6. Step 6: Final answer
    x = 50,503.64

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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.