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Finding the Fourth Proportional to 64,964.76, 89,649.54 and 36,673.08

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Solution

The fourth proportional to 64,964.76, 89,649.54 and 36,673.08 is: 50,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,964.76 : 89,649.54 = 36,673.08 : x
  2. Step 2: Convert to fraction form
    64,964.76/89,649.54 = 36,673.08/x
  3. Step 3: Cross multiply
    64,964.76x = 89,649.54 × 36,673.08
  4. Step 4: Simplify right side
    64,964.76x = 3,287,724,752.38
  5. Step 5: Solve for x
    x = 3,287,724,752.38/64,964.76
  6. Step 6: Final answer
    x = 50,607.82

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1.5x scale

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.