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Finding the Fourth Proportional to 64,369.69, 88,835.40 and 35,692.20

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Solution

The fourth proportional to 64,369.69, 88,835.40 and 35,692.20 is: 49,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369.69 : 88,835.40 = 35,692.20 : x
  2. Step 2: Convert to fraction form
    64,369.69/88,835.40 = 35,692.20/x
  3. Step 3: Cross multiply
    64,369.69x = 88,835.40 × 35,692.20
  4. Step 4: Simplify right side
    64,369.69x = 3,170,730,863.88
  5. Step 5: Solve for x
    x = 3,170,730,863.88/64,369.69
  6. Step 6: Final answer
    x = 49,258.14

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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.