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Finding the Fourth Proportional to 64,391.04, 88,858.80 and 36,096.48

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Solution

The fourth proportional to 64,391.04, 88,858.80 and 36,096.48 is: 49,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,391.04 : 88,858.80 = 36,096.48 : x
  2. Step 2: Convert to fraction form
    64,391.04/88,858.80 = 36,096.48/x
  3. Step 3: Cross multiply
    64,391.04x = 88,858.80 × 36,096.48
  4. Step 4: Simplify right side
    64,391.04x = 3,207,489,897.02
  5. Step 5: Solve for x
    x = 3,207,489,897.02/64,391.04
  6. Step 6: Final answer
    x = 49,812.67

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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.