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Finding the Fourth Proportional to 64,769.00, 89,379.88 and 36,088.55

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Solution

The fourth proportional to 64,769.00, 89,379.88 and 36,088.55 is: 49,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,769.00 : 89,379.88 = 36,088.55 : x
  2. Step 2: Convert to fraction form
    64,769.00/89,379.88 = 36,088.55/x
  3. Step 3: Cross multiply
    64,769.00x = 89,379.88 × 36,088.55
  4. Step 4: Simplify right side
    64,769.00x = 3,225,590,293.62
  5. Step 5: Solve for x
    x = 3,225,590,293.62/64,769.00
  6. Step 6: Final answer
    x = 49,801.45

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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.