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Finding the Fourth Proportional to 64,658.84, 89,225.94 and 36,362.84

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Solution

The fourth proportional to 64,658.84, 89,225.94 and 36,362.84 is: 50,178.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,658.84 : 89,225.94 = 36,362.84 : x
  2. Step 2: Convert to fraction form
    64,658.84/89,225.94 = 36,362.84/x
  3. Step 3: Cross multiply
    64,658.84x = 89,225.94 × 36,362.84
  4. Step 4: Simplify right side
    64,658.84x = 3,244,508,580.07
  5. Step 5: Solve for x
    x = 3,244,508,580.07/64,658.84
  6. Step 6: Final answer
    x = 50,178.89

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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.