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Finding the Fourth Proportional to 65,779.61, 98,669.18 and 23,659.62

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Solution

The fourth proportional to 65,779.61, 98,669.18 and 23,659.62 is: 35,489.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,779.61 : 98,669.18 = 23,659.62 : x
  2. Step 2: Convert to fraction form
    65,779.61/98,669.18 = 23,659.62/x
  3. Step 3: Cross multiply
    65,779.61x = 98,669.18 × 23,659.62
  4. Step 4: Simplify right side
    65,779.61x = 2,334,474,692.87
  5. Step 5: Solve for x
    x = 2,334,474,692.87/65,779.61
  6. Step 6: Final answer
    x = 35,489.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.