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Finding the Fourth Proportional to 63,985, 88,299.38 and 35,692.48

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Solution

The fourth proportional to 63,985, 88,299.38 and 35,692.48 is: 49,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,985 : 88,299.38 = 35,692.48 : x
  2. Step 2: Convert to fraction form
    63,985/88,299.38 = 35,692.48/x
  3. Step 3: Cross multiply
    63,985x = 88,299.38 × 35,692.48
  4. Step 4: Simplify right side
    63,985x = 3,151,623,854.66
  5. Step 5: Solve for x
    x = 3,151,623,854.66/63,985
  6. Step 6: Final answer
    x = 49,255.67

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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.